If the phone continues to return to the bootloader, the Android OS may be corrupted.
Instead, try these non-destructive methods first, ranked from least invasive to most technical. blackberry keyone stuck in bootloader menu
When your KeyOne is stuck here, it means the phone tried to boot into Android, failed, and fell back to this safe mode. You will know you are stuck if: If the phone continues to return to the
fastboot continue
Stuck in Bootloader Mode - BlackBerry Priv - CrackBerry Forums try these non-destructive methods first