Huawei Mate 20 Pro Rom [updated] Guide

While limited, there are projects that sometimes support the "Laya" (codename for Mate 20 Pro):

| 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. |

If you have a global model (LYA-L29) with GMS intact, staying on a debloated stock EMUI is often the best experience for the camera and battery optimization. The proprietary Huawei scheduler still manages the Kirin 980 better than most custom kernels.

Huawei officially stopped providing bootloader unlocking codes years ago. Unlocking the bootloader (a prerequisite for custom ROMs) requires third-party paid services or specialized exploit tools.

The Huawei Mate 20 Pro remains a landmark device due to its Kirin 980 chip and versatile camera setup. However, as it reaches its legacy phase, users often look for —either official stock firmware to restore a soft-bricked device or custom ROMs to modernize the software experience. Official Stock Firmware (EMUI & HarmonyOS)

: Install the latest Huawei USB drivers or HiSuite to ensure your PC recognizes the device.

These are third-party operating systems (like LineageOS or Pixel Experience) built from the Android Open Source Project (AOSP). They offer a cleaner, bloatware-free stock Android interface and newer Android security patches, but they often come with trade-offs regarding proprietary hardware features. The Bootloader Dilemma

In 2018, Huawei officially stopped providing bootloader unlock codes. Unlocking the bootloader is a mandatory prerequisite for flashing custom recoveries (like TWRP) and custom ROMs.

This comprehensive guide covers everything you need to know about Huawei Mate 20 Pro ROMs, from unlocking the bootloader to choosing the best firmware. The Elephant in the Room: Huawei's Bootloader Policy

Replace <drag twrp img here> with the path to your TWRP image.

Reboot into recovery using the proper hardware key combinations. Step 2: Wipe the Device

If you decide to proceed with flashing a ROM, you must prepare the following elements: