Launched in late 2018 with , the device received consistent major updates throughout its lifecycle:
Official security patches for the Mate 20 Pro have ceased. Custom ROMs provide community-driven security updates to keep your data safe.
EMUI 12 is the final official update. No Android 11/12 GMS (Google Mobile Services) for global variants after the US ban.
Before attempting to flash any ROM, you identify your specific model. Flashing the wrong firmware will brick your device. LYA-L09: Single SIM variant. LYA-L29: Dual SIM variant. huawei mate 20 pro rom
If you've managed to unlock your bootloader, what custom options exist? While not widely available or supported, some dedicated communities have developed custom firmware, but with significant caveats.
After the flash and wipe are complete, reboot your device with the command:
For most users, the most stable and feature-rich "ROM" is actually Huawei’s own HarmonyOS. Mali-G76 in the new Huawei Mate 20 Pro - Arm Developer Launched in late 2018 with , the device
Given this reality, the article will now focus on the state of custom ROMs for devices that were unlocked in the small window of opportunity before Huawei closed the process.
Open your PC terminal and type: fastboot flash recovery_ramdisk twrp.img
Because Huawei removed direct firmware downloads from their consumer support site, you must rely on third-party tools and repositories: No Android 11/12 GMS (Google Mobile Services) for
Camera quality may drop slightly compared to the stock Leica app.
Prerequisites:
| Issue | Solution | |-------|----------| | Stuck at "Huawei eRecovery" | Bootloop: Force shutdown (hold power 10s), boot to TWRP, wipe cache, re-flash ROM. | | No mobile network / IMEI 0 | Restore OEMinfo backup from stock ROM. You have lost your NV data. | | Wi-Fi / Bluetooth not working | Flash a Kirin 980 patched kernel (available on XDA for LYA-L29). | | SafetyNet fails | Install Magisk, enable Zygisk, and flash Universal SafetyNet Fix module. |
: Features 40W wired fast charging and 15W wireless charging, including reverse wireless charging. Custom ROMs (Community)