You must have an unlocked bootloader. Note: Huawei officially stopped providing bootloader unlock codes. You will need to use third-party hardware or software tools (like PotatoNV or paid services) to unlock it.
Many custom ROMs struggle with VoLTE on Kirin-based Huawei devices; check the specific ROM thread on XDA Developers for current status.
If customization is your primary goal, Resurrection Remix compiles the best features from various open-source projects into a single package. You can change everything from interface animations and lock screen shortcuts to status bar clock layouts and custom hardware button assignments. OpenKirin Project AOSP / EMUI-based ROMs
Ensure your phone has at least 60% battery life to prevent unexpected shutdowns during the flashing process. 🚀 Top Custom ROM Choices for the Mate 8
Minor bugs with offline charging graphics, and occasional Bluetooth audio stuttering depending on the build. 3. EMUI 8.0-Based Custom ROMs (e.g., KangVIP)
Key technical considerations (flashing and usability)