Installing custom ROMs requires unlocking the bootloader. Due to Huawei’s policy changes after 2018, unlocking the bootloader on Kirin-powered devices is extremely difficult or impossible for most users. Proceed only if you have the specific “unlock code” for your device.
Some paid services (e.g., Global Unlocking) claim to provide codes for a fee, though their reliability varies. huawei matepad 104 custom rom install
If you own the 2022 model (Snapdragon 680) or any unit updated to HarmonyOS 3.0+, your chances are near zero unless you utilize a paid, unofficial bootloader unlock service (e.g., HCU Client, SigmaKey, or DC-Unlocker). Download the system-quack-arm64-ab-gapps
system-quack-arm64-ab-gapps.img.xz from phhusson’s releases..img file.system.img for simplicity.