Huawei Matepad 104 Custom Rom 2021

I understand you're looking for a custom ROM for the Huawei MatePad 10.4 (2021) — likely the model codenamed BAH4-W09 or BAH4-AL10.

• Model Number: BAH3-W59 (Wi-Fi) / BAH3-L09 (LTE) – often referred to online as "MatePad 10.4 2021" or "MediaPad T10s" in some markets.
• SoC: Kirin 820 (7nm) – A powerful mid-range chip with decent custom development support due to its ARM Mali-G57 GPU.
• Display: 10.4-inch IPS, 2000 x 1200 pixels.
• Android Base: Started with Android 10, updated to HarmonyOS 2.0.

2. The "GMS on Stock" Solution Since true Custom ROMs (like LineageOS or Pixel Experience) were scarce due to driver incompatibilities and the unlock barrier, the most popular "custom" solution in 2021 was actually modifying the stock ROM. Users who managed to unlock their bootloaders often stuck with a de-bloated stock ROM injected with GMS. Tools like Gspace or direct GMS injection scripts were the go-to methods. This allowed users to keep the stability of the Kirin chipset drivers while gaining access to the Play Store. huawei matepad 104 custom rom 2021

This is the story of one user, let's call him Elias, and his quest to liberate his device. I understand you're looking for a custom ROM

What DID NOT exist in 2021:

• LineageOS 18.1 or 19: No stable Android 11/12 builds.
• Official ROMs: No official support from any major team (Lineage, crDroid, Paranoid).
• Dual-boot solutions.

Summary for Potential Modders

If you are looking back at this device now: Model Number: BAH3-W59 (Wi-Fi) / BAH3-L09 (LTE) –