If unresponsive, let the battery drain completely until the device shuts off. Then, charge it to 100% using a wall outlet (not a computer) before attempting to power it on again.
: Some of these steps may result in data loss. Ensure you have backups of important data. blackberry keyone stuck in bootloader menu top
On the KEYone, when stuck at the top of the bootloader menu (showing just the version line and no menu options), the device has lost its bootloader UI or partition table pointer. The . If unresponsive, let the battery drain completely until
: A severely degraded battery might not provide enough power to fully boot into Android, leading to a loop back to the low-power bootloader screen. How to Escape the Loop Ensure you have backups of important data
: Use this to fully shut down. Wait 5 minutes, then power it back on normally.
If none of the above works, your bootloader is truly corrupted. You need a computer (Windows 7/10/11 recommended).