Installing a custom ROM on the is extremely difficult and generally not recommended due to severe hardware and software restrictions . Huawei officially stopped providing bootloader unlock codes in 2018, which is a required first step for any custom ROM installation. The Bootloader Challenge Locked Status : The MatePad 10.4
: While the MatePad supports Project Treble (allowing for Generic System Images or GSIs), you still cannot install them without first unlocking the bootloader. Alternatives to Custom ROMs huawei matepad 10.4 custom rom
Installing a custom ROM on the Huawei MatePad 10.4 is extremely difficult because Huawei officially stopped providing bootloader unlock codes in July 2018. Without an unlocked bootloader, you cannot natively flash third-party operating systems like LineageOS or Pixel Experience. Huawei MatePad 10