Mifi

1. Confidential
Presenter | Dept.
ELT usage, debugging/trouble shooting methods
Shih. ChingFu | SWSD MD2

2. 注意事項/Notice
※ 以下簡報內容為仁寶電腦工業股份有限公司(簡稱仁寶)所
擁有之專有及機密資訊；未經仁寶事前書面同意，不得
散布給任何第三人。如果您不是此簡報預定的收受人或
被授權可接收之人，請勿拷貝、散布或使用，並請即刻
通知仁寶電腦工業股份有限公司XXX先生/小姐及銷毀此
資訊。
※ The content of this presentation is proprietary and
confidential information of Compal Electronics, Inc.
(“Compal”). It is not intended to be distributed to any third
party without the written consent of Compal. If you are not
the intended recipient or otherwise authorized to receive
such information, please do not copy, distribute or
otherwise use the information contained herein and please
notify [Mr./Ms. Name] immediately and destroy this
communication accordingly.
Confidential

3. • MTK tool and driver
• MTK ELT tool
1. Take Modem Log
2. Modem crash Log
3. AT command
• Trouble Shooting
Agenda
3
Confidential

4. Save the earth… Please print out only when necessary
MTK tools and driver
Confidential

5. l MTK USB driver
1. All MTK tools need this driver
2. File: Driver_Auto_Installer_EXE_v5.1645.00
l ELT tool
1. Modem debug log
2. File: ELT Customer(ByRequest)_ALPS
l Wireshark
1. Decode ELT OTA/message log
2. File: Wireshark-win64-3.2.7.exe (Download from Google)
Confidential

6. Save the earth… Please print out only when necessary
MTK ELT tool-Take Modem Log
Confidential

7. ①
②
connect DUT
ELT tool - Connet DUT
load MTK dataBase : MDDB_InfoCustomAppSrcP_xxx.EDB
(the database depends on SW)
connected
③

8. ELT tool - Set log filter
enable all gen97 default filter , then press apply button
It is MTK’s suggestion

9. ELT tool - Log View Introduct i
on
OTA log
All message log
Re-filter feature , ex: SIM, RRC, NAS,4G,5G
AT command, crash info

10. Confidential
ELT tool - Example
context of log

11. Confidential
ELT tool - Save log
press the button, change to disconnect
Save logs , file name is xxx.elg

12. Save the earth… Please print out only when necessary
MTK ELT tool-Modem Crash Log
Confidential

13. Confidential
ELT tool - Crash log

14. Confidential
ELT tool - Crash Dump
If enable, ELT toll will do crash dump
automatically
crash dump manually
get dump, if already dump

15. Confidential
ELT tool - Crash Dump
Crash dump finish

16. Confidential
ELT tool - AT command

17. Save the earth… Please print out only when necessary
Trouble Shooting
Confidential

18. Save the earth… Please print out only when necessary
No Wireshark
No wireshark or path is wrong, please check Config→Set Codec
Path → UseWireshark from:

19. Save the earth… Please print out only when necessary
Wrong database
If database is wrong, the at command utility can not be used,