Blackberry Keyone Stuck In Bootloader Menu Repack

Review — BlackBerry KEYone: Stuck in Bootloader Menu (Repack)

Step 6: Wipe Cache and Data

Hardware Fault

: If every menu option results in a buzz and a return to the same screen, it may indicate a hardware failure, such as a fried battery or water damage.

Power + Volume Down

If you aren't already there, you need the device to stay in its current state: Power off the device. Hold simultaneously.