Sometimes the menu appears simply because a volume button was accidentally held down during a reboot.
If autoloader fails with signature errors, the device has either: blackberry keyone stuck in bootloader menu repack
When stuck, the screen shows a black background with white text listing options like START, RESTART BOOTLOADER, RECOVERY MODE, POWER OFF. The device won’t proceed past this no matter how many times you reboot. Sometimes the menu appears simply because a volume
If your BlackBerry KEYone is stuck in the Backup Bootloader Menu (often showing a purple LED or the BlackBerry logo and then looping back to the menu), it usually indicates a corruption in the operating system or a hardware fault with the battery or buttons. the device has either: When stuck