: To flash firmware from a different carrier than the original (e.g., using an AT&T file on a generic 9800), you must delete the Vendor.xml file from your computer's AppLoader directory.
: A popular third-party tool used to "wipe" the device before flashing a new OS. Step-by-Step Guide to Flashing your BlackBerry 9800 1. Install the Firmware on Your PC blackberry 9800 flash file free
When searching for flash files or firmware updates for your BlackBerry 9800, make sure to: : To flash firmware from a different carrier
In the same AppLoader folder where you deleted the vendor file, double-click Loader.exe . blackberry 9800 flash file free
Important: Flashing a device can permanently damage it and may void warranties. Back up all data first.