Keep holding both buttons for approximately 10 to 15 seconds.
Entering Fastboot mode is easy; it is harder. The BlackBerry Priv ships with a locked bootloader. While you can see the Fastboot screen, executing commands like fastboot flash will fail unless the bootloader is unlocked.
Type the command to reboot into fastboot: adb reboot bootloader how to open fastboot mode on blackberry priv hot
If you plug the Priv into your Windows PC while in Fastboot mode and it shows up as "QHUSB_BULK" or an unknown device, you are missing the drivers.
Open the Command Prompt (Windows) or Terminal (Mac/Linux) inside your extracted platform-tools folder. Type the following command to verify connection: adb devices Keep holding both buttons for approximately 10 to 15 seconds
Entering Fastboot mode on the BlackBerry Priv is relatively straightforward once you master the button timing. Whether you are an enthusiast looking to tinker or a user trying to recover a bricked device, this mode is essential for advanced troubleshooting.
: Turn off your BlackBerry Priv completely by holding the Power button and selecting Power Off . While you can see the Fastboot screen, executing
A hot Priv may randomly disconnect USB debugging. Work fast.
Stuck in Bootloader Mode - BlackBerry Priv - CrackBerry Forums