and generally not recommended for the average user because Huawei officially ceased providing bootloader unlock codes in 2018. Without an unlocked bootloader, you cannot flash custom recoveries or ROMs. The Core Obstacles Locked Bootloader:
The most critical step. Without a unlock code from Huawei (which they don't provide), you cannot proceed. Flash TWRP (Recovery): Find a compatible TWRP image for your specific MatePad 10.4 or 2022 edition). fastboot flash recovery_ramdisk twrp.img
fastboot erase system fastboot erase userdata fastboot erase cache (if partition exists) huawei matepad 104 custom rom install
Copy the ROM zip file and GApps zip to your tablet’s internal storage.
Charge your MatePad 10.4 to at least to prevent it from powering off mid-flash. 🔑 Phase 2: The Bootloader Hurdle (The Hardest Step) and generally not recommended for the average user
This guide explores the theory, the risks, the current 2025 landscape, and the actual steps required if you manage to unlock the bootloader.
Boot into TWRP by holding and the Power Button simultaneously while the tablet turns on. In TWRP, navigate to Wipe > Advanced Wipe . Without a unlock code from Huawei (which they
Tap (button in the bottom right corner) to switch from viewing .zip files to .img files. Navigate to and select your downloaded GSI .img file.
Tap 7 times until a toast message says "You are now a developer."