If you see a red "QCOM" text or "Download Mode," your phone is actually in EDL (Emergency Download Mode)—which is a harder fix—but most users confuse it with the standard bootloader menu.
: If the battery is extremely low or failing, the phone may struggle to initialize the full Android OS. Step 1: Physical Checks and Force Restart blackberry keyone stuck in bootloader menu
The KEYone requires ~20% battery to boot into Android. If you are stuck in the bootloader, the screen is drawing power, but the OS isn't charging the battery efficiently. The phone gets stuck in a loop where it has enough power to display the menu, but not enough to boot the kernel. If you see a red "QCOM" text or
An interesting and somewhat unsettling feature of the BlackBerry KEYone’s bootloader is a community-reported theory regarding a of single-use encryption keys . The "One-Way" Bootloader Mystery If you are stuck in the bootloader, the