Fastboot Error Failed To Boot — Into Userspace Fastboot One Or More Components Might Be Unbootable

This error occurs when the device fails to transition from the (bootloader mode) to the fastboot daemon (fastbootd, or "userspace"). Fastbootd is essential for flashing logical partitions (like system, vendor, or product).

Ensure your phone has at least 50% battery to prevent sudden shutdowns during the flashing process. This error occurs when the device fails to

Select and then pick Google / Android Bootloader Interface (ignore the compatibility warning). This error occurs when the device fails to