Because the device launched with an unlockable bootloader (historically), there are several custom ROM options available. Note that custom ROMs for this device often require specific firmware versions to function correctly.
As of early 2026, the official software experience varies by region: Global Variant (EMUI): Most global units reached their peak with huawei mate 20 pro rom
The (codenamed LYA-L29 or LYA-AL00 ) remains one of the most iconic smartphones of the 2018 generation. With its Leica triple-camera system, the powerful Kirin 980 chipset, and a gorgeous 2K OLED display, many users refuse to let it go. However, as Huawei shifted focus to newer models, software updates for the Mate 20 Pro have slowed down, leaving enthusiasts searching for alternatives. Because the device launched with an unlockable bootloader