Huawei Matepad 104 Custom Rom Install [better]

Installing a custom ROM on the Huawei MatePad 10.4 (BAH3-W09 / BAH3-AL00) is extremely difficult and generally not recommended for the average user. Huawei ceased official bootloader unlocking in 2018, and this specific model (released in 2020) lacks the official tools and community support typical of other Android tablets. ⚠️ Critical Risks

Because of the locked bootloader, there is very little developer community support or specialized custom ROMs (like LineageOS or Pixel Experience) for the MatePad 10.4 Huawei-Specific Challenges: Modern Huawei tablets often run huawei matepad 104 custom rom install

1. In TWRP, select Backup.
2. Select Boot, Data, and System.
3. Backup to an external SD Card or OTG USB drive (internal storage will be wiped).

Warning: This requires disassembling the tablet and carries a high risk of permanent damage. 2. Available Custom ROMs for MatePad 10.4 Installing a custom ROM on the Huawei MatePad 10

Why is it so hard?

1. No Official Unlock: Huawei removed the "Unlock Bootloader" page in 2018.
2. HarmonyOS Security: Huawei’s microkernel design adds extra verification layers.
3. Partition Locking: Even with root, the vendor and system partitions are often read-only on newer builds.