Go to Settings > About Phone > Model .
Note: The phone will restart automatically during this process. Do not turn it off while it is updating.
Resolve apps crashing, slow performance, or persistent bugs.
: Firmware can resolve known issues, such as connectivity glitches or camera lag, that were not caught during the initial software release. How to Check for Updates Firmware TCL 20E
originally launched with . Regular firmware updates provide:
This is the safest and recommended method for daily users. It does not wipe your data and is done directly from your phone. Connect your TCL 20E to a stable Wi-Fi network. Open your phone’s app. Scroll down and tap on System or System Updates . Tap on Check for Updates .
:
Ensure you download the exact firmware version that matches your device model (e.g., 6125F or 6125A). Using the wrong variant's firmware can permanently hard-brick your phone. The ROM package is typically delivered as a compressed zip file containing a scatter.txt file, boot images, and system partitions. 2. MediaTek (MTK) USB Drivers
If your phone is stuck in a boot loop or you need to downgrade, you will need to flash the stock ROM manually.
For more comprehensive updates or troubleshooting, TCL offers a desktop Mobile Upgrade Tool that can be installed on a PC to flash the latest software version via a USB connection. 3. Firmware Flashing and Troubleshooting Go to Settings > About Phone > Model
Click the Download or Upgrade button in the flashing tool. Then, connect your phone to the PC using your USB cable (usually while holding the Volume Down or Volume Up key to trigger detection).
In SP Flash Tool, click on the button next to the Scatter-loading File field. Navigate to your extracted firmware folder. Select the MT6762_Android_scatter.txt file and click Open .
Ensure the phone is entirely turned off before connecting. If it keeps turning back on to a bootloop, let the battery drain completely, then hold the volume keys and plug it into the PC. Resolve apps crashing, slow performance, or persistent bugs
: Updates often refine how the system manages RAM and processing power, leading to fewer app crashes and a snappier interface.
Originally released with Android 11 and TCL UI. Firmware Type: Scatter-based (required for SP Flash Tool). 🛠️ How to Update Your TCL 20E Firmware