fastboot oem device-info (Only works on some Priv models.) The BlackBerry Priv enters Fastboot Mode reliably using Volume Down + Power from a powered-off state. This mode is essential for advanced recovery, flashing stock images, and diagnosing boot issues. Users should note bootloader locking limitations on carrier variants before attempting unlock commands.
fastboot devices Output example:
STV100-2XXXXXXXX fastboot To check bootloader status: How to Open Fastboot Mode on BLACKBERRY Priv