Huawei Matepad 104 Custom Rom Install 2021

| Model Number | Chipset | HarmonyOS Version | Custom ROM Possible? | | :--- | :--- | :--- | :--- | | | Kirin 810 | 2.0 (EMUI 10.1) | ✅ Yes (GSI) | | BAH3-W09 | Kirin 820 | 2.0 – 3.0 | ⚠️ Paid Unlock Needed | | BAH4-W09 | Snapdragon 680 | 3.0+ | ❌ Extremely Difficult |