Blackberry Bold 9900 Autoloader Link

: The tool will automatically begin flashing the firmware. A success message like "The loading operation was successful" will appear once finished. Alternative: Official Application Loader

: Connect the device via USB, open the wizard, select the applications/OS version you wish to install, and follow the prompts. : For modern PC compatibility, you may need to use a legacy version of BlackBerry Desktop Software specific OS version (like 7.1) for your Bold 9900, or are you trying to bypass a specific error BlackBerry Classic Q20 Autoloader: Download & Install Guide Blackberry Bold 9900 Autoloader

Even with the right tool, things can go wrong. Here is how to fix frequent errors. : The tool will automatically begin flashing the firmware