Installing a custom ROM on a is extremely difficult because Huawei officially stopped providing bootloader unlock codes in July 2018 . Since unlocking the bootloader is a mandatory prerequisite for flashing custom recovery (TWRP) and ROMs, standard modification methods are generally not possible for this device. Key Barriers to Installation
: An open-source client for the Google Play Store that allows you to download nearly any app without needing GMS on the base system. huawei matepad 104 custom rom install