These steps should help you troubleshoot and hopefully resolve the issue with your BlackBerry KEYone being stuck in the bootloader menu.
key to confirm. If the phone simply returns to the same menu, the OS may be corrupted. Force Restart : Hold the button for 10 to 30 seconds . This can sometimes break a software loop. Check for Sticky Buttons : A common physical cause for this screen is a stuck Volume Down blackberry keyone stuck in bootloader menu top
Press Volume Up / Down to move the selection. Highlight START (or POWER DOWN ) and press Power button to select. These steps should help you troubleshoot and hopefully