: This is mandatory for flashing custom recoveries or ROMs.
Enable USB debugging by tapping the build number seven times in Settings > About Phone to unlock Developer Options, then enabling USB debugging within Developer Settings. If ADB still doesn't recognize your device, reinstall the proper MediaTek USB drivers on your PC. mt6735 custom rom
To flash a custom ROM, you must replace your stock recovery menu with Team Win Recovery Project (TWRP). : This is mandatory for flashing custom recoveries or ROMs
You cannot flash custom recovery or ROMs with a locked bootloader. The method varies by manufacturer. About Phone to unlock Developer Options