: You would connect your "bricked" 9900 to a PC, launch the autoloader, and watch a command prompt window spring to life.
: To ensure a clean install, use a tool like BBSAK (BlackBerry Swiss Army Knife) to "Wipe Device" until you see Error 507 on the screen. Run the Loader : Connect your 9900 via USB. Open Loader.exe from the AppLoader folder mentioned above. blackberry 9900 firmware autoloader
: In the folder mentioned above, locate and delete the vendor.xml file . This is a critical step that allows you to install firmware from any carrier on your device. Wipe the Device : Connect your 9900 via USB. : You would connect your "bricked" 9900 to
You will see a blue progress bar on the phone screen (not the PC). First, the loader erases the memory (this takes 60 seconds). Then, it writes the OS. Then, it writes the Radio (Cellular/WiFi firmware). Open Loader
Using an autoloader is a destructive process—it performs a complete factory reset and wipes every byte of data on the internal memory. Step-by-Step Recovery Find your Firmware:
—widely considered the best keyboard BlackBerry ever made—stays functional as a dedicated talk-and-text machine or a nostalgic piece of hardware.