Your device is corrupt, it can’t be trusted and may not work properly is a warning on Red Magic 8 pro which will Indicated a bootloader unlock or system boot error. if you are facing that warning on your red magic 8 pro then you can fix it by following the below Instructions.
Steps:
- backup all your data
- reboot phone to bootloader
- lock bootloader by sending below code
fastboot flashing lock
- confirm lock warning
- reboot phone to edl mod
- write full firmware from edl
- reboot device, done.