The official support for the device ended with EMUI 12, with its last known security patch released around spring 2022. While new, community-driven projects do appear occasionally (such as the LeaOS ROM, which provided LineageOS 21.0/Android 14 builds), their development is sporadic and often lacks the stability of fully supported devices.
If your Mate 20 Pro is stuck in a bootloop, running sluggishly, or you are looking to revert from a beta version, installing a stock ROM is the best solution. 1. Stock EMUI 10/11 (Android 10/11) huawei mate 20 pro rom
Official files are usually found on Huawei support forums or reputable community sites like XDA Developers. 2. Upgrading/Reverting Firmware Methods The official support for the device ended with
Custom ROMs often lose the proprietary Leica camera tuning, resulting in poorer image quality. resulting in poorer image quality.