Removing the anti-theft firmware from your BlackBerry Classic can be a straightforward process if you have the right guidance. Before attempting to remove the anti-theft firmware, make sure you understand the implications and have taken the necessary precautions. If you are still having issues, don't hesitate to reach out to BlackBerry support for help.

In some advanced cases, developers attempted to modify the system image to strip out the setup wizard files or the specific APK/BAR files responsible for the BlackBerry Protect handshake. Technical and Ethical Challenges

The lock is tied to the IMEI and a BlackBerry ID on BlackBerry’s servers.

While connected, hold Power + Volume Up + Volume Down simultaneously until the device forced-reboots.