Some users have success using tools like PotatoNV (which may require opening the device for a "test point" connection) or paid services like DC-Unlocker .
For the MatePad 10.4 (codenames usually Annie , Bach , or MatePad depending on the region), there is no official LineageOS, Pixel Experience, or crDroid build. huawei matepad 10.4 custom rom
While some third-party services claim to provide unlock codes for a fee, their success with newer Kirin-based tablets like the MatePad 10.4 is hit-or-miss and often requires hardware-level modifications. Some users have success using tools like PotatoNV
If you are determined to run a newer version of Android, your only real option is a . If you are determined to run a newer
Compatibility notes
Installing a custom ROM on the Huawei MatePad 10.4 is for most users because Huawei stopped providing bootloader unlock codes years ago. Without an unlocked bootloader, you cannot flash a new operating system like LineageOS.