If the above fail, the power button flex cable or the battery itself may need replacement. Final Verdict

Understanding why your phone got stuck is the first step to fixing it. Based on community reports, the most common causes include:

When the BlackBerry KEYone gets stuck in the bootloader menu, users typically see a screen with several options but are unable to progress to the home screen or perform any function beyond selecting options from the bootloader menu. Diagnosing this issue usually involves checking for any recent activities that might have led to the problem, such as updates or mod installations.

BlackBerry KEYone is stuck on the BlackBerry Bootloader Menu

If none of the software solutions work, you likely have a hardware issue. The BlackBerry KeyOne is known for a loose internal battery connector. Over time, drops can cause the ribbon cable connecting the battery to the motherboard to shift slightly.

You are already in the menu. Let's try to force a normal boot.

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When this happens, the phone cannot boot into the Android operating system, leaving it in a "soft-bricked" state. This guide will walk you through the potential causes and provide step-by-step solutions to get your KEYone working again. 1. Understanding the BlackBerry KEYone Bootloader Menu

If the above solutions don't work, you may need to flash the firmware using fastboot:

A failing battery may lack the voltage to push past the initial bootloader phase, leading to a loop. Potential Fixes