However, dedicated developers have discovered low-level hardware exploits targeting Kirin processors. Advanced users utilize a permanent bootloader unlock technique tailored specifically for Kirin 710, 970, and 980 chipsets. This approach typically relies on hardware test-points (short-circuiting a dedicated pin on the motherboard) or leveraging specialized hardware cables, such as the HarmonyTP USB cable, to drop the device into a low-level flashing environment. Once in this state, custom unlock parameters can be injected, granting the phone full permission to flash alternative system partitions. Custom ROMs via Project Treble and GSIs
: You must use paid services (like PotatoNV, HCUT, or Ministry of Bootloader) to obtain a bootloader unlock code. huawei mate 20 pro rom
performing optimally. For users wanting to move away from Huawei's aesthetic towards a more "stock Android" look, the device was highly customizable, allowing the installation of third-party launchers, custom icon packs, and even Google-like aesthetic elements. Despite being a 2018 flagship, it continued to be perceived as a high-quality, durable, and feature-rich device long after its initial launch, often compared favorably to newer devices. The Huawei Mate 20 Pro Once in this state, custom unlock parameters can
If you cannot unlock your bootloader, you can still achieve a "custom ROM" feel through deep system modifications: How to Make the Mate 20 Pro Look Like Stock Android For users wanting to move away from Huawei's
Because Huawei removed direct firmware downloads from their consumer support site, you must rely on third-party tools and repositories:
If you are considering unlocking your bootloader, you must ensure you have backed up all data in your 128GB ROM to an external source, as the process will wipe all user data.