This procedure will wipe all user data . Always backup if the phone is still accessible.
To perform an official repair, you will need the following files, typically bundled in specialized firmware packages: ROM Meizu M3 Note (M91 & L91) Official Repair F...
Specifically MT6755_Android_scatter.txt , which tells the flash tool how to partition the memory. This procedure will wipe all user data
The official MediaTek utility for flashing deep-level firmware. you will need the following files
Ensure the device has at least 50% charge to prevent it from turning off mid-flash, which can permanently brick the motherboard.
Power off your Meizu M3 Note completely. While holding the Volume Down button (or sometimes just connecting it while off), plug it into the PC via USB.