TCL 20 Pro 5G Android 12 Developer Preview Program

In collaboration with Google, we welcome TCL 20 Pro 5G to join Android 12 Developer Preview Program which allows users to early access the next generation of Android OS. You can use your powerful TCL 20 Pro 5G to explore new features of Android 12 and test your application on it.

Important Notices:

• This Developer Preview software is intended for testing, but not for daily normal use.

• Since this is an early stage of development, we do not recommend flashing this software if you have no experience in software development or/and flashing custom software.

• This preview software is still under development and not a final public version of Android 12, functions may not work as expected.

• If you flash your device, all content will be LOST and CANNOT BE RECOVERED. Please backup all your personal content before the flash.

• If you run a Develop Preview software, the backup and restore may not be functional; also, your personal data may LOSE unexpectedly, please do not store important data in Develop Preview software.

• If you flashed the develop preview, it may not be able to flash back to previous software and/or lost some features after the flash back.

• Please use following CU device to join in this program, use other devices are unable to OTA after flash back. (How to check device’s CU: Setting -> System -> Regulatory & safety -> CU reference)

EU: T810H-2?LCWE12*, T810H-2?LCGB12*, T810H-2?LCE112*, T810H-2?LCE212*
NA: T810S-2?LCUS11*


Please proceed at your own RISK!

You should understand there is a risk of BRICKING your device and warranty, read the instructions carefully and be FULLY understand of what you are doing. Please always backup your important data before flashing and disable the OEM unlocking to avoid unnecessarily issues.

Known Issues

Android 12 Beta 1 Software

1. Cannot set screen lock.

2. Will auto disconnect after pair BT device, so cannot use the Bluetooth function.

3. Will popup “Wireless emergency alerts FC” when press “Wireless emergency alerts” in the “Safety & emergency” screen.

4. Wi-Fi cannot connect to VPN AP.

5. “Tap to wake” function cannot work.

6. Network may register to 3G default, and after select LTE network mode, it can register to 4G. 5G is unavailable.

7. Sometimes cannot display thumbnail after capture.

8. Cannot display thumbnail after record video and cannot view record video,photos not display videos.

9. Will display no network icon after turn off mobile data.

10. The Brightness level display 0% as default, and after display abnormal when user adjust it.

How to get started with Android 12 beta?

By download the software, I confirm that I have read, understand, and agree to the above "Important Notices" and "CAUTION".

Click here to download Beta software

How to get back to stable build?

EU: T810H-2?LCWE12*, T810H-2?LCGB12*, T810H-2?LCE112*, T810H-2?LCE212*

NA: T810S-2?LCUS11*

Feedback and Issues

You can also report issues using the Android Beta Feedback app for the Android Beta Feedback app that's included in the Developer Preview and Beta builds..