Unlike Samsung’s Odin or Apple’s iTunes, there is no official Q5 flashing tool for consumers. The common and Autoloaders (signed OS executables) cannot and will not bypass BlackBerry Protect. Running an autoloader on a locked Q5 results in:

To address the anti-theft lock, you generally need to use an "Autoloader." This is a self-executing file that forces a specific OS version onto the hardware, bypassing the standard update checks.