Huawei Mate 20 & Mate 20 Pro firmware details a number of new features - PhoneArena
Huawei Mate 20 Pro (EMUI 9.1) Manual Firmware Flashing Tutorial (固件升级教程) Work on P30 Pro too !! - YouTube
Huawei Mate 20 series March 2022 HarmonyOS firmware out - Huawei Central
Latest firmware update for the Huawei Mate 20 Pro brings dedicated “Super Macro” camera mode - SoyaCincau
Global Firmware Huawei Mate 20 Pro Mobile Phone 40.0mp Camera Ip68 Waterproof 6.39" 2k Screen 22.5w Charge Kirin 980 Octa Core - Mobile Phones - AliExpress