Executing commands in fastboot mode requires proper preparation to avoid permanent data loss or device damage. 1. Back Up Your Data

: Note that the BlackBerry Priv has a locked bootloader that is extremely difficult to bypass for custom ROMs or rooting. once you've entered Fastboot mode?

Locate the on the right side of the device. Press and hold it down. Step 3: Connect to Power or Press Power

Open a command prompt and type: 18;write_to_target_document7;default0;4c0;18;write_to_target_document1a;_fsjsafC8BdSYwbkP49Wo2QY_20;ee;0;825; adb reboot bootloader . 0;2a;

Ensure your device has at least 50% battery . If your phone dies while in Fastboot mode or during an active flash, it could cause permanent software corruption (a "soft brick"). Step-by-Step: How to Enter Fastboot Mode on BlackBerry Priv

Your BlackBerry Priv will automatically restart and boot into the Fastboot screen. Verifying the Connection

Do you need help installing the or setting up ADB commands on your computer to interact with the phone while it's in fastboot? 0;16;

If your physical buttons are not working, you can use a computer with ADB (Android Debug Bridge) installed:

Keep holding both buttons for about 10 to 15 seconds.

Before attempting any key combinations, you must cool the device. Do not skip this step.

Once this menu is active, you are successfully in Fastboot mode! You can now connect your Priv to a PC using a USB cable to run Android Debug Bridge (ADB) commands or execute an autoloader script. Navigating the Fastboot Menu

If your PRIV still boots into Android (even if it’s laggy or hot), use ADB:

Remember: The Priv is a beautiful, flawed device. If you are constantly fighting heat to enter Fastboot, consider replacing the thermal paste underneath the copper shield (a disassembly job) or finally retiring it for a Key2. For now, cool it down, hold Volume Down, and press Power—and may your bootloader unlock swiftly.

To leave this screen and return to normal operation, you can either select using the volume keys and power button, or simply hold the Power button for about 15 seconds until the screen goes black and the device restarts. Boot Mode screen after restarting Priv - CrackBerry Forums

If you need to move forward with updating the OS, I can explain the process of using an autoloader on Windows or Mac, or perhaps you'd like to know how to install a custom recovery? YouTube·HardReset.Info