Service
Manual
TCL
Communication Ltd.
Rev.: 1.0
TCL 20 R 5G T767H Service Manual V1.0
Page: 5/19
Confidential and proprietary information contained in this repair guide is subject to change without notice.
Distribution, transfer, copy of any content or data in this document without the written permission of TCL is strictly prohibited.
3.
Maintenance preparation
3.1. Handset with at least 50% battery charges
3.2. Supported SD card and SIM card, 5V2A Charger, Type-C USB Cable
3.3. PC with below configurations to do software update by using PC tool.
CPU: Equal to Pentium 1.6 GHZ or above
RAM: 4GB or above
Hard Disk: 10GB or above
Operation System: Win7/Win8/Win10
USB port
Internet connection with minimum internet speed of 8Mb/s
3.4. Backup the user data before repairing. There are two ways below for your
reference.
Method 1: Go to “Settings”->Touch “System”->Touch “Backup” (this function may appear
under different menus according to the type of device) -
>Activate “Back up to Google Drive”
in the window which has now opened-
>Touch “Back up Now. You need to add your Google
account details first.
* App data, SMS text messages, Device settings, Call history, and Contacts will be backed up.
For more back up & sync help, please continue touch “Google Photos”->“Back up & sync”.
Method 2:
You can back up your data to another phone via the “Switch Phone” app, and then
recover data when your phone has been repaired.
Swipe up in the home screen to find the search bar-
>enter “switch phone” and then touch
“search”->Touch to open “Switch Phone” on the search results page->Transfer the contents
by following the instructions.