Follow these steps carefully to flash your device. Do not disconnect the cable until the entire process finishes. Step 1: Download the Correct Autoloader File
This guide covers everything you need to know about finding and using an autoloader for the BlackBerry 9800. What is a BlackBerry 9800 Autoloader? blackberry 9800 autoloader
Once the process hits 100%, the device will reboot automatically into the initial setup screen. Legacy Support & End of Life BlackBerry End of Life (EOL) Follow these steps carefully to flash your device