Note: Do not disconnect the USB cable during this process. Your phone screen may go blank or show progress bars. The entire process can take up to 20 minutes. Troubleshooting Common Flashing Errors
Ensure your BlackBerry 9790 battery is charged to at least 50%. A sudden power shutdown during the flashing process can permanently damage the phone’s hardware. 3. Prepare the Hardware blackberry 9790 flash file updated
Follow these precise steps to install the updated flash file using the standard official methodology. Step 1: Download and Extract the Firmware Note: Do not disconnect the USB cable during this process
Download and install the official BlackBerry Desktop Software v7.1. This software installs the necessary USB drivers onto your PC so that your computer can communicate with the phone in bootloader mode. 3. BBSAK or CFP (Optional Advanced Tools) Prepare the Hardware Follow these precise steps to
You now have a successfully installed. Here is how to optimize it:
| Region / Carrier | OS Version | Package Version | Release Date | |----------------|------------|----------------|---------------| | Multi-language (Europe/Asia) | 7.1.0.1098 | 7.1.0.2116 | August 2013 | | Vodafone UK / DE | 7.1.0.1098 | 7.1.0.2116 | August 2013 | | Telus / Rogers (Canada) | 7.1.0.1079 | 7.1.0.2054 | May 2013 |