Once flashed, boot into your recovery (TWRP) and perform a "Data Wipe/Factory Reset" to ensure no old EMUI files interfere with the new OS. Common Issues & Fixes
Once your bootloader is unlocked and TWRP is installed, follow this checklist: custom rom for huawei nova 7i
Some GSIs struggle with IMS services. Check the specific ROM thread on XDA Developers for "Huawei VoLTE fix" patches. Once flashed, boot into your recovery (TWRP) and
: Some users downgrade from EMUI 12 to EMUI 10 to use specific exploits for installing Google Mobile Services (GMS) via tools like Googlefier. custom rom for huawei nova 7i