Blackberry Keyone Stuck In Bootloader: Menu Repack !free!

~80–90% if the issue is software-based. Failure scenarios: eMMC corruption, dead power button, or wrong autoloader version.

If autoloader fails with remote: 'failed to authenticate' : blackberry keyone stuck in bootloader menu repack

Final verdict

If you used a custom "repack" or a modified system image, the signature likely failed verification. You must restore the official factory image. ~80–90% if the issue is software-based

If a "repack" (custom ROM or modified firmware) failed, you must restore the original partitions using a factory Autoloader. dead power button

If fastboot reports errors (partition size mismatch, signature verification), capture exact message and adapt: