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White paper
August 2012
  g




              v
LT25i
 T25i
White paper | Xperia™ v



Purpose of this document
Sony product White papers are intended to give an overview of a product and provide details in relevant
areas of technology.




Document history
   Version
   August 2012                 First released version             Version 1




Sony Mobile Developer World
For the latest technical documentation and development tools, go to www.sonymobile.com/developer.




                                                            This document is published by Sony Mobile
    This White paper is published by:                       Communications AB, without any warranty*.
                                                            Improvements and changes to this text
    Sony Mobile Communications AB,                          necessitated by typographical errors,
    SE-221 88 Lund, Sweden                                  inaccuracies of current information or
                                                            improvements to programs and/or equipment
                                                            may be made by Sony Mobile Communications
    www.sonymobile.com                                      AB at any time and without notice. Such changes
                                                            will, however, be incorporated into new editions
    © Sony Mobile Communications AB, 2009-2012.             of this document. Printed versions are to be
                                                            regarded as temporary reference copies only.
    All rights reserved. You are hereby granted a
    license to download and/or print a copy of this         *All implied warranties, including without
    document.                                               limitation the implied warranties of
    Any rights not expressly granted herein are             merchantability or fitness for a particular
    reserved.                                               purpose, are excluded. In no event shall Sony or
                                                            its licensors be liable for incidental or
                                                            consequential damages of any nature, including
    First released version (August 2012)                    but not limited to lost profits or commercial loss,
    Publication number: 1268-3049.1                         arising out of the use of the information in this
                                                            document.




                                                        2                                              August 2012
White paper | Xperia™ v




Table of contents
Product overview ........................................................................................................2
    Xperia™ v – The ultimate LTE smartphone experience .........................................2
    Signature features .................................................................................................4
    Facts – dimensions, weight, performance and networks ......................................5
    Categorised feature list ..........................................................................................7

Technologies in detail .................................................................................................9
   Device-to-device communications (local) .............................................................9
     Bluetooth™ wireless technology ........................................................................9
     Wi-Fi® ...............................................................................................................10
     DLNA Certified® (Digital Living Network Alliance) ............................................11
   Messaging ...........................................................................................................12
     MMS (Multimedia Messaging Service)..............................................................12
     Email .................................................................................................................12
   Positioning – location based services .................................................................13
   Provisioning (OMA CP) ........................................................................................13
   Multimedia (audio, image and video) ...................................................................14
   Synchronisation (OMA DS, EAS, Google Sync™) ...............................................15
   Web browser .......................................................................................................15
   Memory in Android™ phones ..............................................................................16
   Trademarks and acknowledgements ..................................................................19




                                                                            1                                                    August 2012
White paper | Xperia™ v




Product overview
Xperia™ v – The ultimate LTE smartphone
experience
Feel the need for speed? Great gaming, super-quick surfing, photos in a flash. Slim, sleek and incredibly
fast, Xperia™ v lets you do what you want without the wait. Listen to music in soul-shaking clarity and
experience life on the 1080p HD display. On a water resistant smartphone you can’t resist.

Dedicated to speed
Stay in the fast lane. Watch beautifully flowing streaming video. Download apps in a snap and run them
without a hitch. With Xperia™ v’s super fast, latest generation Snapdragon S4 dual core 1.5 GHz
processor and the speed of LTE, the wait is over. Forever.

No water worries
Take a call in the pouring rain. Check your email by the kitchen sink. Your Xperia™ v HD phone doesn’t
mind getting wet. It has the highest level of water resistance* of any smartphone.

Save the moment in full HD
Your team’s top striker celebrating the winning goal. A golden sunset worth more than the plane ticket.
Capture it all in full 1080p HD video. When a photo is the best option, the 13 MP HD camera from Sony
saves it all in razor sharp clarity. And since the most unforgettable moments are often unexpected, you’ll
be glad that it’ll go from sleep to snap in just over a second. Then relive great times - with the “Album” app
you easily sort, browse and share your photos and videos.

The best music – in Sony sound
The original is back. Xperia™ v comes with the new “WALKMAN” app. Fill it with your playlists. When
you’ve found the right track, connect to your wireless speakers, crank it up and enjoy in soul-shaking
clarity.




* In compliance with IP55 and IP57, Xperia™ v is protected against the ingress of dust and is water
resistant. Provided that all ports and covers are firmly closed, the phone is (i) protected against low
pressure jets of water from all practicable directions in compliance with IP 55; and/or (ii) can be kept under
1 metre of freshwater for up to 30 minutes in compliance with IP 57. The phone is not designed to float or
work submerged underwater outside the IP55 or IP57 classification range and should not be exposed to
any liquid chemicals. If liquid detection is triggered on the handset or battery, your warranty will be void.




                                                      2                                          August 2012
White paper | Xperia™ v



View on any screen – like magic
Home at last. Time to relax with the latest blockbuster? The “Movies” app gives you more info on the film
and lets you view in high quality. Or play your own videos for an audience of friends. Make the switch from
your LTE mobile to the big screen with the touch of a button. Just connect to your TV or tablet - no cords
needed. And with live streaming in full HD, what looks gorgeous on your phone looks just as gorgeous on
your HDTV.

Picture perfect and powerful HD Android phone
Au revoir, tristesse – enjoy TV shows, movies and your own video clips in magnificent HD. View in razor
sharp clarity on the 4.3” Reality Display with Mobile BRAVIA™ Engine 2.




                                                    3                                         August 2012
White paper | Xperia™ v



Signature features
The Sony Xperia™ v comes with a range of features as standard. Below is a summary of the key signature
features.

Xperia™ Timescape™
Communication made easy
The Timescape™ application manages all your communication with one person in one place. You can
effortlessly browse by category your Facebook™, Twitter™, email and text communications, as well as
view your photos. Now everything is all together and in chronological order, so you don't have to open
different applications to see what's going on.

Xperia™ Infinite button
Everything you want – from everywhere
Tap the infinite button in the Timescape™ application and smart filter each category of communication by
person. For example, when viewing a text message from a friend in Timescape™, tap the infinite button to
view a list of all chat messages with that friend.

Xperia™ Local connectivity
More control over your media
Using Xperia™ Local connectivity, you can exercise more control over how media files get transferred and
stored. For example, you can select MTP mode to transfer files if you want to limit the risk of data corrup-
tion or select MSC mode if you want to have more control over the data storage.

Xperia™ Home screen application
The place you call Home
Customise your Home screen with widgets, shortcuts, folders, themes, wallpaper and other items.
Where’s best for you? Email top right? Music player bottom left? You decide. With four extensions to your
Home screen, you’ve got plenty of space to put things where you want. Just remember to flick left or right
to find them.




                                                     4                                         August 2012
White paper | Xperia™ v



Facts – dimensions, weight, performance and
networks

Operating system    Google™ Android™ 4.0 (Ice Cream Sandwich)

Processor           1.5 GHz Qualcomm MSM8960 Dual Core

GPU                 Adreno 225

Size                129 x 65 x 10.7 mm

Weight              120 grams

Available colours   Black
                    Pink
                    White

SIM card            Micro SIM

Main screen

Colours             16,777,216 colour TFT

Resolution          1280x720 pixels

Size (diagonal)     4.3 inches

Scratch-resistant   Shatter-proof sheet on scratch-resistant glass

Input mechanisms

Text input          On-screen QWERTY keyboard

Touch screen        Capacitive

Touch gesture       Yes – multi-touch, up to 10 fingers supported

Memory

RAM                 1 GB

Flash memory        8 GB eMMC*

Expansion slot      microSD™ card, up to 32 GB

Camera

Camera resolution   13 MP

Digital zoom        16x

Photo light         Yes

Video recording     Yes – HD 1080p

Front Camera        Yes – VGA

Sensors

Accelerometer       Yes

Proximity sensor    Yes




                                       5                                   August 2012
White paper | Xperia™ v



Ambient light sensor**             Yes

Magnetometer                       Yes

Gyroscope                          Yes

Networks

LT25i                              UMTS HSPA+ 850 (Band V), 900 (Band VIII), 2100 (Band I)
                                   GSM EDGE 850, 900, 1800, 1900
                                   LTE Band I, Band III, Band V, Band VII and Band XX

Data transfer speeds

GSM EDGE                           Up to 237 kbps

UMTS HSPA cat 6 (upload)           Up to 5.8 Mbps

UMTS HSPA cat 24(download) Up to 42 Mbps

LTE cat3                           Up to 50 Mbps (upload), up to 100 Mbps (download)

Talk time (GSM)                    Up to 7 hours***

Standby time (GSM)                 Up to 300 hours***

Talk time (UMTS)                   Up to 7 hours***

Standby time (UMTS)                Up to 400 hours***

Standby time (LTE)                 Up to 270 hours***

Music listening time               Up to 18 hours***

Video playback time                Up to 4 hours***

Battery                            1750 mAh typical
                                   1700 mAh minimum


* Memory comprises 1.2 GB of firmware, 2 GB of “Phone memory” for downloaded applications, and
about 3.7 GB of “Internal storage” for music, pictures and movies, and some application data. For a more
detailed description of the different types of memory and how they are used, see .“Memory in Android™
phones” on page 16.

** There is no API for the light sensor.

*** Values are according to GSM Association Battery Life Measurement Technique as performed in current
controlled laboratory conditions. Actual time may vary.

NOTE: Battery performance may vary depending on network conditions and configurations, and phone
usage.

NOTE: All performance metrics are measured under laboratory conditions.




                                                        6                                    August 2012
White paper | Xperia™ v



Categorised feature list




Camera                           Music                        Internet
3D Sweep Panorama                Album art                    Bookmarks
13 megapixel camera              Bluetooth™ stereo (A2DP)     Google Play™
16x digital zoom                 Clear Audio+                 Google™ search*
Auto focus                       Clear bass                   Google Voice™ Search*
Face detection                   Clear stereo                 Google Maps™ for Mobile with
Flash/Photo light                Manual equalizer             Navigation, Places and Lati-
Flash/Photo flash                Music Player                 tude™*
Front-facing camera (VGA)        TrackID™ music recognition   NeoReader™ barcode scanner
Geotagging                       “WALKMAN” application        Pan & zoom
HD video recording (1080p)       xLoud™ Experience            Web browser (WebKit™)
Image stabiliser
Red-eye reduction
Self-timer
Send to web
Smile detection
Sony Exmor R™ for mobile image
sensor
Superior Auto
Sweep Multi Angle
Touch focus
Video light
Video recording




Communication                    Messaging                    Design
Call list                        Conversations                Auto rotation
Facebook™ application*           Email                        Gesture input
Google Talk™ application*        Google Mail™*                Gyroscope
Noise suppression                Messaging                    HD Reality Display with Sony
Xperia™ Timescape™               Multimedia messaging (MMS)   Mobile BRAVIA® Engine 2
Xperia™ with Facebook™           Predictive text input        On-screen QWERTY keyboard
Speakerphone                     Sound recorder               Dustproof (IP5X) and Water
Twitter™ (Timescape™             Text messaging (SMS)         resistant (IPX5/7)
integration)*                                                 Screenshot capturing
                                                              Wallpaper




                                               7                                 August 2012
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Entertainment                          Organiser          Connectivity
3D Album                               Airplane mode      3.5 mm audio jack (CTIA)
3D games                               Alarm clock        aGPS*
Media browser                          Calculator         Bluetooth™ wireless technology
Motion gaming                          Calendar           DLNA Certified®
PlayStation® Certified                 Contacts           GLONASS*
Radio (FM radio with RDS)              Document readers   Media Go™*
Sony Entertainment Network*            eCompass™          Media Transfer Protocol support
TV launcher                            Infinite button    MHL
Video streaming                        Notes              Micro USB support
YouTube™*                              OfficeSuite        Native USB tethering
                                       Setup guide        NFC
                                       Stopwatch          PC Companion
                                       Tasks              Synchronisation via Facebook™
                                       Timer              Synchronisation via SyncML™
                                                          Synchronisation via Google™
                                                          Synchronisation with computer
                                                          Synchronisation via Microsoft®
                                                          Exchange ActiveSync®
                                                          USB High speed 2.0 support
                                                          Wi-Fi®
                                                          Wi-Fi® Hotspot functionality




* This service is not available in all markets.




                                                    8                         August 2012
White paper | Xperia™ v




Technologies in detail
NOTE: The information outlined below is general and levels of compliance to standards and specifications
may vary between products and markets. For more information, contact Sony Mobile Developer World or
your Sony contact person where applicable.




Device-to-device communications (local)
Bluetooth™ wireless technology

 Bluetooth™ profiles supported     Advanced Audio Distribution Profile v1.2
                                   Audio/Video Remote Control Profile v1.0
                                   Handsfree Profile v1.5
                                   Headset Profile v1.1
                                   Object Push Profile v1.1
                                   Phonebook Access Profile v1.0

 Core version and supported        Version 4.0
 core features

 Connectable devices               Products supporting at least one of the profiles above.




More information:

www.sonymobile.com/developer

www.bluetooth.com




                                                   9                                         August 2012
White paper | Xperia™ v



Wi-Fi®

Supported standards   IEEE 802.11a/b/g/n and Wi-Fi®

Connectable devices   Wi-Fi® access points

Frequency band        2.4 GHz/5 GHz

Data transfer rate    Up to 72 Mbit/s

Security              WEP 64 bit
                      WEP 128 bit
                      TKIP
                      CCMP (AES)
                      Open Authentication
                      Shared Authentication
                      EAP-SIM
                      EAP-TLS
                      EAP-TTLS/MSCHAPv2
                      PEAPv0/EAP-MSCHAPv2
                      PEAPv1/EAP-GTC
                      WPA Personal and WPA2 Personal
                      WPA Enterprise and WPA2 Enterprise

Encryption            WEP, TKIP and AES

Power save            WMM-UAPSD
                      QoS, WMM




                                    10                                 August 2012
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DLNA Certified® (Digital Living Network Alliance)

Supported Device Classes   M-DMS – Mobile Digital Media Server
                           Media Types: images
                           Summary: The digital media server exposes the media
                           files in your phone to a Wi-Fi® network. The files can
                           then be accessed from other DLNA Certified® clients.

                           +PU+
                           Media Types: image, video and music
                           Summary: Play media in the phone on another device,
                           such as a TV or computer using 2-box push technology.
                           +PU+ is integrated into the Gallery and Music applica-
                           tions.

                           M-DMP – Mobile Digital Media Player
                           Media Types: image, video and music
                           Summary: Play content stored on another device, for
                           example, a server or a PC, directly on the phone.

Supported Bearers          Wi-Fi®

DRM Support                The DLNA Certified® implementation does not support
                           DRM-protected content.




                                         11                                         August 2012
White paper | Xperia™ v



Messaging
MMS (Multimedia Messaging Service)
According to OMA Multimedia Messaging Service v1.0 + SMIL

Email

 Bearer type (IP)                GPRS, EGPRS, UMTS

 Character sets                  BIG5 Traditional Chinese
                                 GB18030
                                 ISO-2022-JP Japanese
                                 ISO-8859-1
                                 ISO-8859-2 Eastern Europe
                                 ISO-8859-5 Cyrillic
                                 ISO-8859-7 Greek
                                 ISO-8859-9 Turkish
                                 ISO 8859-11
                                 KOI8-R Cyrillic
                                 Shift_JIS Japanese
                                 USASCII
                                 UTF-16
                                 UTF-8
                                 Windows® 874
                                 Windows® 1251 Cyrillic
                                 Windows® 1252
                                 Windows® 1254 Turkish
                                 Windows® 1258 Vietnamese

 Protocols                       POP3 and IMAP4

 Push email                      Microsoft® Exchange ActiveSync® (EAS)

 Secure email                    SSL/TLS, both port methods (POPS/IMAPS) and START-
                                 TLS

 HTML mail                       Yes (read only)




More information:

www.sonymobile.com/developer

www.openmobilealliance.org




                                                   12                             August 2012
White paper | Xperia™ v



Positioning – location based services
Supported standards:

• OMA Secure User Plane Location (SUPL)

• 3GPP™ Control Plane location (including Emergency location)

• Qualcomm® GPSOneXtra™

Supported satellite systems:

• GPS

• GLONASS*

* NOTE: GPS and GLONASS are used together to calculate the position. Positioning is more robust and
accurate in most conditions, if both systems are active. In conditions where the GLONASS receiver will
not add any improvement it is automatically disabled to save power. The benefits of using GLONASS are
automatically available for all applications using the Satellite Positioning API ("GPS Provider" in Android
terminology).




Provisioning (OMA CP)
OMA CP version 1.1




                                                    13                                        August 2012
White paper | Xperia™ v



Multimedia (audio, image and video)
Audio Playback    Decoder format                       Supported in file format

                  Audio decoding MPEG-1/2/2.5,         MP3 (.mp3), 3GPP (.3gp),
                  audio layer 3                        MP4 (.mp4, .m4a)

                  AAC, AAC+, eAAC+                     3GPP (.3gp), MP4 (.mp4)

                  AMR-NB, AMR-WB                       3GPP (.3gp)

                  General MIDI (GM)                    SMF (.mid)

                  Linear PCM 16bit                     WAV (.wav)

                  OTA                                  OTA (.ota)

                  vorbis                               Ogg (.ogg)

Audio Recording   Encoder format                       Supported in file format

                  AMR-NB, AMR-WB                       3GPP (.3gp), MP4 (.mp4),
                                                       AMR (.amr)

                  AMR-NB, AMR-WB, AAC-LC               3GPP (.3gp), MP4 (.mp4)
                  stereo
                  Sample rate: 48 kHz
                  Bit rate: 128 kbps

Image Playback    Decoder format                       Supported in file format

                  1, 4, 8, 16, 24 and 32 bpp and RLE   BMP (.bmp)
                  encoded formats

                  Single and multi-frame, bitmap       GIF (.gif)
                  mask support (GIF87a format and
                  GIF89a format)

                  Joint Photographic Experts Group     JPEG (.jpg)

                  Portable Network Graphics Bitmap     PNG (.png)
                  mask support

                  Wireless Bitmap                      WBMP (.wbmp)

Image Capture     Encoder format                       Supported in file format

                  Joint Photographic Experts Group     JPEG (.jpg)

Video Playback    Decoder format                       Supported in file format

                  MPEG-4 Simple Profile Level 6,       3GPP (.3gp), MP4 (.mp4),
                  Advanced Simple Profile Level 5      Matroska (.mkv), AVI (.avi, .xvid),
                                                       (.mov)

                  H.264 High Profile Level 3.2         3GPP (.3gp), MP4 (.mp4),
                                                       Matroska (.mkv)

                  H.263 Profile 0 Level 70             3GPP (.3gp)

                  VP8                                  WebM (.webm)




                                     14                                       August 2012
White paper | Xperia™ v



 Video Recording                 Encoder format                      Supported in file format

                                 Video H.263 Profile 0, H.264        3GPP (.3gp), MP4 (.mp4)
                                 Baseline Profile
                                 Audio: AAC-LC stereo, sample rate
                                 48 kHz bit rate 128 kbps, AMR-NB

 Audio/Video Streaming           Streaming transport                 RTSP according to 3GPP™
                                                                     HTTP streaming

 DRM                             DRM (Digital Rights Management) –   OMA DRM 1.0 Marlin DRM
                                 features the rights and copy
                                 protection of downloaded content




Synchronisation (OMA DS, EAS, Google Sync™)
OMA Data Synchronisation protocol versions 1.1.2 and 1.2

OMA Data Formats: vCard 2.1, vCalendar 1.0

Microsoft® Exchange ActiveSync® protocol version 2.5

Microsoft® Exchange ActiveSync® protocol version 12

Microsoft® Exchange ActiveSync® protocol version 12.1

Microsoft® Exchange ActiveSync® protocol version 14

Microsoft® Exchange ActiveSync® protocol version 14.1

Google Sync™



Related information:

www.sonymobile.com/developer




Web browser
Google™ Chrome for Android™ is pre-installed.*



Related information:

https://play.google.com/store/apps/details?id=com.android.chrome

* Google™ Chrome is not available for all markets.




                                                     15                                  August 2012
White paper | Xperia™ v



Memory in Android™ phones
To use Android phones efficiently, users should be aware of the different types of phone memory. This
knowledge is important in order to understand, for example, where music, photos and videos are saved;
how many apps can be downloaded from Google Play™; and how photos can be copied to a PC.

Generally, all Android phones share the same basic memory setup. What differs is how much memory is
available to you via the different types of memory, and whether your phone uses an external SD card or an
internal memory chip. Any information specific to the particular phone model described in this White
Paper is noted as such.

Please note that when internal memory is used, the figures you see in the phone information menus may
appear to not match with the total amount of stated physical memory. In other words, the figures might
not seem to add up. The reason for this is that some sections of the memory may use two memory cells
instead of one for every storage unit, in order to secure storage integrity. The need for such “double
storage” depends on the type of memory chips used and may therefore differ between products.

Types of memory
The types of memory described below are consistent with the terminology used in Sony mobile phone
menus and in other content relating to 2012 Xperia™ phones:

1. Dynamic Memory (also known as RAM, or non-persistent memory, because everything in RAM
   disappears when the power is turned off) is used as “working memory” when the device is actually
   running, and is shared between the operating system and all active applications and services.
   Therefore, the amount of Dynamic Memory influences how many applications and operating system
   services can run at the same time. In Android™ phones, the operating system automatically closes
   applications and services that are not being used. However, such automatic functionality has limits.
   For example, if a lower amount of RAM is assigned to a certain release of the operating system, phone
   speed will be impacted.

   If you experience problems with RAM, for example, if the phone runs slower than usual or if the Home
   application restarts frequently when you leave an application, you should minimize the use of apps that
   run all the time. Such apps could include, for example, applications that frequently download social
   service updates. You could also consider using a static wallpaper instead of a live wallpaper.

   To see which apps and services are currently active, go to Settings > Applications > Running
   Services. You should have at least 50 MB, and ideally 100 MB or more, of free RAM to avoid
   slowdowns and application restarts.

   You should also be aware that if you update the phone to a later Android release, the load on the built-
   in Dynamic Memory will increase due to the addition of more features. As a result, the phone may run
   slower after an update.

All the memory types described below (in sections 2 to 5) together comprise “persistent” memory. What
this means is that all data and content stored on these sections of memory will “persist” after the power is
turned off (in contrast to the non-persistent RAM). Persistent memory can therefore be used for storing
applications, images, music and any other content which can only disappear after being explicitly deleted.

2. System Memory (also known as “System partition” or “/system”) is used for the Android OS and for
   most applications that are pre-loaded from the factory. This type of memory is normally locked, and
   can only be changed through a firmware upgrade. There is usually some free space available in this
   section of memory. However, since it is locked, you cannot save apps, photos or any other content to
   this memory. System Memory is reserved for future firmware upgrades, which almost always need
   more memory than the original firmware. You cannot see or influence the use of this memory.




                                                    16                                         August 2012
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3. Phone Memory (also known as “Data partition” or “/data”) is a memory type that is used as working
   memory. It can be compared to the C: drive on a PC or to the startup disk on a Mac. All applications
   downloaded from Google Play™ or other sources are installed (at least initially) to this type of memory.
   Some can later be moved to another memory.

   In this type of memory, as with System Memory, all applications have an allocated area which no other
   applications can access and to where the applications can and usually do save their data (such as
   phonebook, calendar, notes, and email applications).

   Phone Memory will tend to fill up as a result of normal use, the use of applications saving their data,
   and you downloading and installing new applications. Therefore, the larger this memory is from the
   start, the more applications you can download and use.

   If the Phone Memory starts to get full, the phone slows down, and in some cases it might no longer be
   possible to install more apps. You should always ensure that you have at least 50 MB of free Phone
   Memory. If not, you should consider removing some apps that you seldom use, or move some
   applications from the Phone Memory.

   You can see how much Phone Memory is free under Settings > Storage > Phone memory. You can
   also view Phone Memory availability and usage information under Settings > Applications > Manage
   Applications. In the Xperia™ v, about 2 GB of Phone Memory is available out of the box.

4. Internal Storage/SD card (also known as “/sdcard”) is the memory used for:

   • Content such as photos, movies and music which is added, for example, as a result of the user
     taking photos with the camera, downloading media files, and performing file transfers.
   • Certain applications to store data in cases where larger amounts of content are involved. For
     example, applications for games and maps need to store larger files which would not fit in the
     Phone Memory.
   • Applications that can be moved after installation from the Phone Memory. Note that not all
     applications can be moved, and in such cases the option to move the particular application will not
     be available. Typically, apps running as services, apps with widgets, or apps for live wallpapers
     cannot be moved. Also note that when apps are moved to the Internal Storage or to the SD card
     memory, a small part of the app will still remain in the Phone Memory.

   This type of memory differs most between different Android phone models. In some models, a large
   amount of internal memory is built into the phone and is referred to in the user interface as “SD card”
   memory. In other cases, the phone features a memory card slot and a removable memory card that is
   bundled with the phone. No Android phone can be shipped without this memory type whether it comes
   as built-in storage or in the form of a removable memory card. The advantage of having an external
   memory card slot is that a user can replace the memory card with a larger one later on. In contrast,
   built-in internal memory cannot be extended. The drawback for the manufacturer is that a removable
   card is more expensive. Therefore, at a certain price level, a manufacturer can offer a larger amount of
   memory if it is built in, everything else being equal.

   You can see how much Internal Storage is available under Settings > Storage > Phone memory. In
   the Xperia™ v, about 3.7 GB is available as Internal Storage.

   In the Xperia™ v, the three areas of persistent memory (System Memory, Phone Memory, and Internal
   Storage), together with some small memory allocations for system operations, share 8 GB of built-in
   eMMC memory.

   Note that in some products you may find both a large internal memory and a memory card reader slot.
   However, on the current Android platform, the card reader slot does not work in the same manner in a
   phone with large internal memory, for example, a phone with only a memory card slot. Generally, while




                                                    17                                         August 2012
White paper | Xperia™ v



   you can access content (such as videos, photos and music) on this optional memory card, you cannot
   in general save anything to the card. However, some applications, for example, a backup service
   application, may still be allowed to do so. In effect, this means that some products feature a fourth type
   of persistent memory, called “External Card”:

5. External Card (also known as “/ext-card”) is the name for the removable SD memory card in products
   where there is also Internal Memory and where this Internal Memory is referred to in the phone’s user
   interface as the “sdcard” memory. This External Card memory can generally not be written to from the
   phone, but it can be used (by the user) to store content from other sources. For example, you can write
   to this memory from a PC when the phone is connected to a PC and when the External Card is
   mounted. Some applications on the phone may in some cases, however, also have permissions to
   write to the External Card.

Backing up data to different memory types

Generally, you should not save photos, videos and other personal content solely on the internal memory
of a phone. If something should happen with the hardware, or if the phone is lost or stolen, the data stored
on the phone’s internal memory is gone forever.

In a phone where an SD card reader is the main memory, it is relatively easy to take the card out and copy
all content to a PC or Mac, or to an entertainment device with a memory card slot. In a product featuring
Internal Storage as the main memory, it is not possible to physically remove the memory. Instead, any
critical or high-value content must either be transferred over a network (mobile or Wi-Fi) or via a cable. To
facilitate the transfer of data via a cable, the Xperia™ v supports the Microsoft standard, Media Transfer
Protocol (MTP), which makes it possible to easily transfer content back and forth between your phone and
a PC. For Apple Mac computers, a special application is available with built-in support for MTP. This
application can be downloaded from the Xperia™ v Support page.

Note that you do not need to back up or make a copy of applications that you downloaded from Android
Market/Google Play™. They can normally be downloaded again if you have set up a Google account to
work in your phone. You can find the apps which you have purchased under “My apps” in Android
Market/ Google Play™, so you will not need to either pay for or search for them again.




                                                     18                                         August 2012
White paper | Xperia™ v



Trademarks and acknowledgements
All product and company names mentioned herein are the trademarks or registered trademarks of their
respective owners. Any rights not expressly granted herein are reserved. All other trademarks are property
of their respective owners.

Visit www.sonymobile.com for more information.




                                                   19                                        August 2012

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Sony Xperia V LT25i

  • 1. White paper August 2012 g v LT25i T25i
  • 2. White paper | Xperia™ v Purpose of this document Sony product White papers are intended to give an overview of a product and provide details in relevant areas of technology. Document history Version August 2012 First released version Version 1 Sony Mobile Developer World For the latest technical documentation and development tools, go to www.sonymobile.com/developer. This document is published by Sony Mobile This White paper is published by: Communications AB, without any warranty*. Improvements and changes to this text Sony Mobile Communications AB, necessitated by typographical errors, SE-221 88 Lund, Sweden inaccuracies of current information or improvements to programs and/or equipment may be made by Sony Mobile Communications www.sonymobile.com AB at any time and without notice. Such changes will, however, be incorporated into new editions © Sony Mobile Communications AB, 2009-2012. of this document. Printed versions are to be regarded as temporary reference copies only. All rights reserved. You are hereby granted a license to download and/or print a copy of this *All implied warranties, including without document. limitation the implied warranties of Any rights not expressly granted herein are merchantability or fitness for a particular reserved. purpose, are excluded. In no event shall Sony or its licensors be liable for incidental or consequential damages of any nature, including First released version (August 2012) but not limited to lost profits or commercial loss, Publication number: 1268-3049.1 arising out of the use of the information in this document. 2 August 2012
  • 3. White paper | Xperia™ v Table of contents Product overview ........................................................................................................2 Xperia™ v – The ultimate LTE smartphone experience .........................................2 Signature features .................................................................................................4 Facts – dimensions, weight, performance and networks ......................................5 Categorised feature list ..........................................................................................7 Technologies in detail .................................................................................................9 Device-to-device communications (local) .............................................................9 Bluetooth™ wireless technology ........................................................................9 Wi-Fi® ...............................................................................................................10 DLNA Certified® (Digital Living Network Alliance) ............................................11 Messaging ...........................................................................................................12 MMS (Multimedia Messaging Service)..............................................................12 Email .................................................................................................................12 Positioning – location based services .................................................................13 Provisioning (OMA CP) ........................................................................................13 Multimedia (audio, image and video) ...................................................................14 Synchronisation (OMA DS, EAS, Google Sync™) ...............................................15 Web browser .......................................................................................................15 Memory in Android™ phones ..............................................................................16 Trademarks and acknowledgements ..................................................................19 1 August 2012
  • 4. White paper | Xperia™ v Product overview Xperia™ v – The ultimate LTE smartphone experience Feel the need for speed? Great gaming, super-quick surfing, photos in a flash. Slim, sleek and incredibly fast, Xperia™ v lets you do what you want without the wait. Listen to music in soul-shaking clarity and experience life on the 1080p HD display. On a water resistant smartphone you can’t resist. Dedicated to speed Stay in the fast lane. Watch beautifully flowing streaming video. Download apps in a snap and run them without a hitch. With Xperia™ v’s super fast, latest generation Snapdragon S4 dual core 1.5 GHz processor and the speed of LTE, the wait is over. Forever. No water worries Take a call in the pouring rain. Check your email by the kitchen sink. Your Xperia™ v HD phone doesn’t mind getting wet. It has the highest level of water resistance* of any smartphone. Save the moment in full HD Your team’s top striker celebrating the winning goal. A golden sunset worth more than the plane ticket. Capture it all in full 1080p HD video. When a photo is the best option, the 13 MP HD camera from Sony saves it all in razor sharp clarity. And since the most unforgettable moments are often unexpected, you’ll be glad that it’ll go from sleep to snap in just over a second. Then relive great times - with the “Album” app you easily sort, browse and share your photos and videos. The best music – in Sony sound The original is back. Xperia™ v comes with the new “WALKMAN” app. Fill it with your playlists. When you’ve found the right track, connect to your wireless speakers, crank it up and enjoy in soul-shaking clarity. * In compliance with IP55 and IP57, Xperia™ v is protected against the ingress of dust and is water resistant. Provided that all ports and covers are firmly closed, the phone is (i) protected against low pressure jets of water from all practicable directions in compliance with IP 55; and/or (ii) can be kept under 1 metre of freshwater for up to 30 minutes in compliance with IP 57. The phone is not designed to float or work submerged underwater outside the IP55 or IP57 classification range and should not be exposed to any liquid chemicals. If liquid detection is triggered on the handset or battery, your warranty will be void. 2 August 2012
  • 5. White paper | Xperia™ v View on any screen – like magic Home at last. Time to relax with the latest blockbuster? The “Movies” app gives you more info on the film and lets you view in high quality. Or play your own videos for an audience of friends. Make the switch from your LTE mobile to the big screen with the touch of a button. Just connect to your TV or tablet - no cords needed. And with live streaming in full HD, what looks gorgeous on your phone looks just as gorgeous on your HDTV. Picture perfect and powerful HD Android phone Au revoir, tristesse – enjoy TV shows, movies and your own video clips in magnificent HD. View in razor sharp clarity on the 4.3” Reality Display with Mobile BRAVIA™ Engine 2. 3 August 2012
  • 6. White paper | Xperia™ v Signature features The Sony Xperia™ v comes with a range of features as standard. Below is a summary of the key signature features. Xperia™ Timescape™ Communication made easy The Timescape™ application manages all your communication with one person in one place. You can effortlessly browse by category your Facebook™, Twitter™, email and text communications, as well as view your photos. Now everything is all together and in chronological order, so you don't have to open different applications to see what's going on. Xperia™ Infinite button Everything you want – from everywhere Tap the infinite button in the Timescape™ application and smart filter each category of communication by person. For example, when viewing a text message from a friend in Timescape™, tap the infinite button to view a list of all chat messages with that friend. Xperia™ Local connectivity More control over your media Using Xperia™ Local connectivity, you can exercise more control over how media files get transferred and stored. For example, you can select MTP mode to transfer files if you want to limit the risk of data corrup- tion or select MSC mode if you want to have more control over the data storage. Xperia™ Home screen application The place you call Home Customise your Home screen with widgets, shortcuts, folders, themes, wallpaper and other items. Where’s best for you? Email top right? Music player bottom left? You decide. With four extensions to your Home screen, you’ve got plenty of space to put things where you want. Just remember to flick left or right to find them. 4 August 2012
  • 7. White paper | Xperia™ v Facts – dimensions, weight, performance and networks Operating system Google™ Android™ 4.0 (Ice Cream Sandwich) Processor 1.5 GHz Qualcomm MSM8960 Dual Core GPU Adreno 225 Size 129 x 65 x 10.7 mm Weight 120 grams Available colours Black Pink White SIM card Micro SIM Main screen Colours 16,777,216 colour TFT Resolution 1280x720 pixels Size (diagonal) 4.3 inches Scratch-resistant Shatter-proof sheet on scratch-resistant glass Input mechanisms Text input On-screen QWERTY keyboard Touch screen Capacitive Touch gesture Yes – multi-touch, up to 10 fingers supported Memory RAM 1 GB Flash memory 8 GB eMMC* Expansion slot microSD™ card, up to 32 GB Camera Camera resolution 13 MP Digital zoom 16x Photo light Yes Video recording Yes – HD 1080p Front Camera Yes – VGA Sensors Accelerometer Yes Proximity sensor Yes 5 August 2012
  • 8. White paper | Xperia™ v Ambient light sensor** Yes Magnetometer Yes Gyroscope Yes Networks LT25i UMTS HSPA+ 850 (Band V), 900 (Band VIII), 2100 (Band I) GSM EDGE 850, 900, 1800, 1900 LTE Band I, Band III, Band V, Band VII and Band XX Data transfer speeds GSM EDGE Up to 237 kbps UMTS HSPA cat 6 (upload) Up to 5.8 Mbps UMTS HSPA cat 24(download) Up to 42 Mbps LTE cat3 Up to 50 Mbps (upload), up to 100 Mbps (download) Talk time (GSM) Up to 7 hours*** Standby time (GSM) Up to 300 hours*** Talk time (UMTS) Up to 7 hours*** Standby time (UMTS) Up to 400 hours*** Standby time (LTE) Up to 270 hours*** Music listening time Up to 18 hours*** Video playback time Up to 4 hours*** Battery 1750 mAh typical 1700 mAh minimum * Memory comprises 1.2 GB of firmware, 2 GB of “Phone memory” for downloaded applications, and about 3.7 GB of “Internal storage” for music, pictures and movies, and some application data. For a more detailed description of the different types of memory and how they are used, see .“Memory in Android™ phones” on page 16. ** There is no API for the light sensor. *** Values are according to GSM Association Battery Life Measurement Technique as performed in current controlled laboratory conditions. Actual time may vary. NOTE: Battery performance may vary depending on network conditions and configurations, and phone usage. NOTE: All performance metrics are measured under laboratory conditions. 6 August 2012
  • 9. White paper | Xperia™ v Categorised feature list Camera Music Internet 3D Sweep Panorama Album art Bookmarks 13 megapixel camera Bluetooth™ stereo (A2DP) Google Play™ 16x digital zoom Clear Audio+ Google™ search* Auto focus Clear bass Google Voice™ Search* Face detection Clear stereo Google Maps™ for Mobile with Flash/Photo light Manual equalizer Navigation, Places and Lati- Flash/Photo flash Music Player tude™* Front-facing camera (VGA) TrackID™ music recognition NeoReader™ barcode scanner Geotagging “WALKMAN” application Pan & zoom HD video recording (1080p) xLoud™ Experience Web browser (WebKit™) Image stabiliser Red-eye reduction Self-timer Send to web Smile detection Sony Exmor R™ for mobile image sensor Superior Auto Sweep Multi Angle Touch focus Video light Video recording Communication Messaging Design Call list Conversations Auto rotation Facebook™ application* Email Gesture input Google Talk™ application* Google Mail™* Gyroscope Noise suppression Messaging HD Reality Display with Sony Xperia™ Timescape™ Multimedia messaging (MMS) Mobile BRAVIA® Engine 2 Xperia™ with Facebook™ Predictive text input On-screen QWERTY keyboard Speakerphone Sound recorder Dustproof (IP5X) and Water Twitter™ (Timescape™ Text messaging (SMS) resistant (IPX5/7) integration)* Screenshot capturing Wallpaper 7 August 2012
  • 10. White paper | Xperia™ v Entertainment Organiser Connectivity 3D Album Airplane mode 3.5 mm audio jack (CTIA) 3D games Alarm clock aGPS* Media browser Calculator Bluetooth™ wireless technology Motion gaming Calendar DLNA Certified® PlayStation® Certified Contacts GLONASS* Radio (FM radio with RDS) Document readers Media Go™* Sony Entertainment Network* eCompass™ Media Transfer Protocol support TV launcher Infinite button MHL Video streaming Notes Micro USB support YouTube™* OfficeSuite Native USB tethering Setup guide NFC Stopwatch PC Companion Tasks Synchronisation via Facebook™ Timer Synchronisation via SyncML™ Synchronisation via Google™ Synchronisation with computer Synchronisation via Microsoft® Exchange ActiveSync® USB High speed 2.0 support Wi-Fi® Wi-Fi® Hotspot functionality * This service is not available in all markets. 8 August 2012
  • 11. White paper | Xperia™ v Technologies in detail NOTE: The information outlined below is general and levels of compliance to standards and specifications may vary between products and markets. For more information, contact Sony Mobile Developer World or your Sony contact person where applicable. Device-to-device communications (local) Bluetooth™ wireless technology Bluetooth™ profiles supported Advanced Audio Distribution Profile v1.2 Audio/Video Remote Control Profile v1.0 Handsfree Profile v1.5 Headset Profile v1.1 Object Push Profile v1.1 Phonebook Access Profile v1.0 Core version and supported Version 4.0 core features Connectable devices Products supporting at least one of the profiles above. More information: www.sonymobile.com/developer www.bluetooth.com 9 August 2012
  • 12. White paper | Xperia™ v Wi-Fi® Supported standards IEEE 802.11a/b/g/n and Wi-Fi® Connectable devices Wi-Fi® access points Frequency band 2.4 GHz/5 GHz Data transfer rate Up to 72 Mbit/s Security WEP 64 bit WEP 128 bit TKIP CCMP (AES) Open Authentication Shared Authentication EAP-SIM EAP-TLS EAP-TTLS/MSCHAPv2 PEAPv0/EAP-MSCHAPv2 PEAPv1/EAP-GTC WPA Personal and WPA2 Personal WPA Enterprise and WPA2 Enterprise Encryption WEP, TKIP and AES Power save WMM-UAPSD QoS, WMM 10 August 2012
  • 13. White paper | Xperia™ v DLNA Certified® (Digital Living Network Alliance) Supported Device Classes M-DMS – Mobile Digital Media Server Media Types: images Summary: The digital media server exposes the media files in your phone to a Wi-Fi® network. The files can then be accessed from other DLNA Certified® clients. +PU+ Media Types: image, video and music Summary: Play media in the phone on another device, such as a TV or computer using 2-box push technology. +PU+ is integrated into the Gallery and Music applica- tions. M-DMP – Mobile Digital Media Player Media Types: image, video and music Summary: Play content stored on another device, for example, a server or a PC, directly on the phone. Supported Bearers Wi-Fi® DRM Support The DLNA Certified® implementation does not support DRM-protected content. 11 August 2012
  • 14. White paper | Xperia™ v Messaging MMS (Multimedia Messaging Service) According to OMA Multimedia Messaging Service v1.0 + SMIL Email Bearer type (IP) GPRS, EGPRS, UMTS Character sets BIG5 Traditional Chinese GB18030 ISO-2022-JP Japanese ISO-8859-1 ISO-8859-2 Eastern Europe ISO-8859-5 Cyrillic ISO-8859-7 Greek ISO-8859-9 Turkish ISO 8859-11 KOI8-R Cyrillic Shift_JIS Japanese USASCII UTF-16 UTF-8 Windows® 874 Windows® 1251 Cyrillic Windows® 1252 Windows® 1254 Turkish Windows® 1258 Vietnamese Protocols POP3 and IMAP4 Push email Microsoft® Exchange ActiveSync® (EAS) Secure email SSL/TLS, both port methods (POPS/IMAPS) and START- TLS HTML mail Yes (read only) More information: www.sonymobile.com/developer www.openmobilealliance.org 12 August 2012
  • 15. White paper | Xperia™ v Positioning – location based services Supported standards: • OMA Secure User Plane Location (SUPL) • 3GPP™ Control Plane location (including Emergency location) • Qualcomm® GPSOneXtra™ Supported satellite systems: • GPS • GLONASS* * NOTE: GPS and GLONASS are used together to calculate the position. Positioning is more robust and accurate in most conditions, if both systems are active. In conditions where the GLONASS receiver will not add any improvement it is automatically disabled to save power. The benefits of using GLONASS are automatically available for all applications using the Satellite Positioning API ("GPS Provider" in Android terminology). Provisioning (OMA CP) OMA CP version 1.1 13 August 2012
  • 16. White paper | Xperia™ v Multimedia (audio, image and video) Audio Playback Decoder format Supported in file format Audio decoding MPEG-1/2/2.5, MP3 (.mp3), 3GPP (.3gp), audio layer 3 MP4 (.mp4, .m4a) AAC, AAC+, eAAC+ 3GPP (.3gp), MP4 (.mp4) AMR-NB, AMR-WB 3GPP (.3gp) General MIDI (GM) SMF (.mid) Linear PCM 16bit WAV (.wav) OTA OTA (.ota) vorbis Ogg (.ogg) Audio Recording Encoder format Supported in file format AMR-NB, AMR-WB 3GPP (.3gp), MP4 (.mp4), AMR (.amr) AMR-NB, AMR-WB, AAC-LC 3GPP (.3gp), MP4 (.mp4) stereo Sample rate: 48 kHz Bit rate: 128 kbps Image Playback Decoder format Supported in file format 1, 4, 8, 16, 24 and 32 bpp and RLE BMP (.bmp) encoded formats Single and multi-frame, bitmap GIF (.gif) mask support (GIF87a format and GIF89a format) Joint Photographic Experts Group JPEG (.jpg) Portable Network Graphics Bitmap PNG (.png) mask support Wireless Bitmap WBMP (.wbmp) Image Capture Encoder format Supported in file format Joint Photographic Experts Group JPEG (.jpg) Video Playback Decoder format Supported in file format MPEG-4 Simple Profile Level 6, 3GPP (.3gp), MP4 (.mp4), Advanced Simple Profile Level 5 Matroska (.mkv), AVI (.avi, .xvid), (.mov) H.264 High Profile Level 3.2 3GPP (.3gp), MP4 (.mp4), Matroska (.mkv) H.263 Profile 0 Level 70 3GPP (.3gp) VP8 WebM (.webm) 14 August 2012
  • 17. White paper | Xperia™ v Video Recording Encoder format Supported in file format Video H.263 Profile 0, H.264 3GPP (.3gp), MP4 (.mp4) Baseline Profile Audio: AAC-LC stereo, sample rate 48 kHz bit rate 128 kbps, AMR-NB Audio/Video Streaming Streaming transport RTSP according to 3GPP™ HTTP streaming DRM DRM (Digital Rights Management) – OMA DRM 1.0 Marlin DRM features the rights and copy protection of downloaded content Synchronisation (OMA DS, EAS, Google Sync™) OMA Data Synchronisation protocol versions 1.1.2 and 1.2 OMA Data Formats: vCard 2.1, vCalendar 1.0 Microsoft® Exchange ActiveSync® protocol version 2.5 Microsoft® Exchange ActiveSync® protocol version 12 Microsoft® Exchange ActiveSync® protocol version 12.1 Microsoft® Exchange ActiveSync® protocol version 14 Microsoft® Exchange ActiveSync® protocol version 14.1 Google Sync™ Related information: www.sonymobile.com/developer Web browser Google™ Chrome for Android™ is pre-installed.* Related information: https://play.google.com/store/apps/details?id=com.android.chrome * Google™ Chrome is not available for all markets. 15 August 2012
  • 18. White paper | Xperia™ v Memory in Android™ phones To use Android phones efficiently, users should be aware of the different types of phone memory. This knowledge is important in order to understand, for example, where music, photos and videos are saved; how many apps can be downloaded from Google Play™; and how photos can be copied to a PC. Generally, all Android phones share the same basic memory setup. What differs is how much memory is available to you via the different types of memory, and whether your phone uses an external SD card or an internal memory chip. Any information specific to the particular phone model described in this White Paper is noted as such. Please note that when internal memory is used, the figures you see in the phone information menus may appear to not match with the total amount of stated physical memory. In other words, the figures might not seem to add up. The reason for this is that some sections of the memory may use two memory cells instead of one for every storage unit, in order to secure storage integrity. The need for such “double storage” depends on the type of memory chips used and may therefore differ between products. Types of memory The types of memory described below are consistent with the terminology used in Sony mobile phone menus and in other content relating to 2012 Xperia™ phones: 1. Dynamic Memory (also known as RAM, or non-persistent memory, because everything in RAM disappears when the power is turned off) is used as “working memory” when the device is actually running, and is shared between the operating system and all active applications and services. Therefore, the amount of Dynamic Memory influences how many applications and operating system services can run at the same time. In Android™ phones, the operating system automatically closes applications and services that are not being used. However, such automatic functionality has limits. For example, if a lower amount of RAM is assigned to a certain release of the operating system, phone speed will be impacted. If you experience problems with RAM, for example, if the phone runs slower than usual or if the Home application restarts frequently when you leave an application, you should minimize the use of apps that run all the time. Such apps could include, for example, applications that frequently download social service updates. You could also consider using a static wallpaper instead of a live wallpaper. To see which apps and services are currently active, go to Settings > Applications > Running Services. You should have at least 50 MB, and ideally 100 MB or more, of free RAM to avoid slowdowns and application restarts. You should also be aware that if you update the phone to a later Android release, the load on the built- in Dynamic Memory will increase due to the addition of more features. As a result, the phone may run slower after an update. All the memory types described below (in sections 2 to 5) together comprise “persistent” memory. What this means is that all data and content stored on these sections of memory will “persist” after the power is turned off (in contrast to the non-persistent RAM). Persistent memory can therefore be used for storing applications, images, music and any other content which can only disappear after being explicitly deleted. 2. System Memory (also known as “System partition” or “/system”) is used for the Android OS and for most applications that are pre-loaded from the factory. This type of memory is normally locked, and can only be changed through a firmware upgrade. There is usually some free space available in this section of memory. However, since it is locked, you cannot save apps, photos or any other content to this memory. System Memory is reserved for future firmware upgrades, which almost always need more memory than the original firmware. You cannot see or influence the use of this memory. 16 August 2012
  • 19. White paper | Xperia™ v 3. Phone Memory (also known as “Data partition” or “/data”) is a memory type that is used as working memory. It can be compared to the C: drive on a PC or to the startup disk on a Mac. All applications downloaded from Google Play™ or other sources are installed (at least initially) to this type of memory. Some can later be moved to another memory. In this type of memory, as with System Memory, all applications have an allocated area which no other applications can access and to where the applications can and usually do save their data (such as phonebook, calendar, notes, and email applications). Phone Memory will tend to fill up as a result of normal use, the use of applications saving their data, and you downloading and installing new applications. Therefore, the larger this memory is from the start, the more applications you can download and use. If the Phone Memory starts to get full, the phone slows down, and in some cases it might no longer be possible to install more apps. You should always ensure that you have at least 50 MB of free Phone Memory. If not, you should consider removing some apps that you seldom use, or move some applications from the Phone Memory. You can see how much Phone Memory is free under Settings > Storage > Phone memory. You can also view Phone Memory availability and usage information under Settings > Applications > Manage Applications. In the Xperia™ v, about 2 GB of Phone Memory is available out of the box. 4. Internal Storage/SD card (also known as “/sdcard”) is the memory used for: • Content such as photos, movies and music which is added, for example, as a result of the user taking photos with the camera, downloading media files, and performing file transfers. • Certain applications to store data in cases where larger amounts of content are involved. For example, applications for games and maps need to store larger files which would not fit in the Phone Memory. • Applications that can be moved after installation from the Phone Memory. Note that not all applications can be moved, and in such cases the option to move the particular application will not be available. Typically, apps running as services, apps with widgets, or apps for live wallpapers cannot be moved. Also note that when apps are moved to the Internal Storage or to the SD card memory, a small part of the app will still remain in the Phone Memory. This type of memory differs most between different Android phone models. In some models, a large amount of internal memory is built into the phone and is referred to in the user interface as “SD card” memory. In other cases, the phone features a memory card slot and a removable memory card that is bundled with the phone. No Android phone can be shipped without this memory type whether it comes as built-in storage or in the form of a removable memory card. The advantage of having an external memory card slot is that a user can replace the memory card with a larger one later on. In contrast, built-in internal memory cannot be extended. The drawback for the manufacturer is that a removable card is more expensive. Therefore, at a certain price level, a manufacturer can offer a larger amount of memory if it is built in, everything else being equal. You can see how much Internal Storage is available under Settings > Storage > Phone memory. In the Xperia™ v, about 3.7 GB is available as Internal Storage. In the Xperia™ v, the three areas of persistent memory (System Memory, Phone Memory, and Internal Storage), together with some small memory allocations for system operations, share 8 GB of built-in eMMC memory. Note that in some products you may find both a large internal memory and a memory card reader slot. However, on the current Android platform, the card reader slot does not work in the same manner in a phone with large internal memory, for example, a phone with only a memory card slot. Generally, while 17 August 2012
  • 20. White paper | Xperia™ v you can access content (such as videos, photos and music) on this optional memory card, you cannot in general save anything to the card. However, some applications, for example, a backup service application, may still be allowed to do so. In effect, this means that some products feature a fourth type of persistent memory, called “External Card”: 5. External Card (also known as “/ext-card”) is the name for the removable SD memory card in products where there is also Internal Memory and where this Internal Memory is referred to in the phone’s user interface as the “sdcard” memory. This External Card memory can generally not be written to from the phone, but it can be used (by the user) to store content from other sources. For example, you can write to this memory from a PC when the phone is connected to a PC and when the External Card is mounted. Some applications on the phone may in some cases, however, also have permissions to write to the External Card. Backing up data to different memory types Generally, you should not save photos, videos and other personal content solely on the internal memory of a phone. If something should happen with the hardware, or if the phone is lost or stolen, the data stored on the phone’s internal memory is gone forever. In a phone where an SD card reader is the main memory, it is relatively easy to take the card out and copy all content to a PC or Mac, or to an entertainment device with a memory card slot. In a product featuring Internal Storage as the main memory, it is not possible to physically remove the memory. Instead, any critical or high-value content must either be transferred over a network (mobile or Wi-Fi) or via a cable. To facilitate the transfer of data via a cable, the Xperia™ v supports the Microsoft standard, Media Transfer Protocol (MTP), which makes it possible to easily transfer content back and forth between your phone and a PC. For Apple Mac computers, a special application is available with built-in support for MTP. This application can be downloaded from the Xperia™ v Support page. Note that you do not need to back up or make a copy of applications that you downloaded from Android Market/Google Play™. They can normally be downloaded again if you have set up a Google account to work in your phone. You can find the apps which you have purchased under “My apps” in Android Market/ Google Play™, so you will not need to either pay for or search for them again. 18 August 2012
  • 21. White paper | Xperia™ v Trademarks and acknowledgements All product and company names mentioned herein are the trademarks or registered trademarks of their respective owners. Any rights not expressly granted herein are reserved. All other trademarks are property of their respective owners. Visit www.sonymobile.com for more information. 19 August 2012