Upgrading from BlackBerry OS 7.0 to 7.1 brings significant new features, including Mobile Hotspot functionality, FM radio, BlackBerry Tag, and WiFi calling capabilities. Additionally, BlackBerry offered select premium apps for free to users who upgraded to OS 7.1 during promotional periods.
Step 4: Finalize the InstallationInsert the battery back into the phone when the loading bar begins. The process can take 10 to 20 minutes. Do not disconnect the cable until the phone fully reboots into the home screen. Safety and Troubleshooting blackberry 9790 flash file
You will need the following tools installed on your computer: Upgrading from BlackBerry OS 7
The software utilities used to push the flash file to the device. Step-by-Step Guide to Flashing the BlackBerry 9790 The process can take 10 to 20 minutes
Standalone drivers can be used if you do not want to install the full Desktop Software suite.
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