The computer cannot see the phone. Change your USB cable, try a USB 2.0 port instead of a USB 3.0 port, or clean the phone's charging port with compressed air.
Flashing firmware carries a small risk of hard-bricking your device if done incorrectly. Ensure you meet these requirements before proceeding:
The BlackBerry Bold 9790 remains a classic piece of smartphone history. Known for its compact design, fluid optical trackpad, and crisp touchscreen, this legacy device still holds value for developers, collectors, and users who prefer a tactile QWERTY keyboard.
Use BBSAK to perform a "Wipe," which forces the phone into an Error 507 state. Once it shows Error 507, rerun Loader.exe to flash the software cleanly. Conclusion blackberry 9790 flash file
When selecting a flash file, look for filenames containing "Multilanguage" or "AllLang" to ensure your firmware includes all language packages. This won't affect your carrier branding, as those elements are stored separately on the device.
Flashing carries risks. Always ensure your PC has a stable power source to avoid an interruption during the data transfer, which could "brick" the phone. If the Loader tool does not recognize your device, try a different USB port or reinstall the BlackBerry drivers.
The tool will detect your device. Select the software components you want to install and click "Next" to begin the wipe and flash process. Method 2: Using BBSAK (BlackBerry Swiss Army Knife) The computer cannot see the phone
Disconnect the phone, pull out the physical battery, reinsert it, and immediately reconnect the USB cable while quickly clicking "Next" on the Loader interface. This forces the bootloader to connect. Stuck on "Reconnecting to JVM"
Double-click the downloaded .exe file to run the installation wizard.
Try a different USB port, a different cable, or reinstall the USB drivers. Ensure you meet these requirements before proceeding: The
This comprehensive guide covers everything you need to know about sourcing, preparing, and installing the correct flash file for your BlackBerry Bold 9790. What is a BlackBerry 9790 Flash File?
This often indicates a hardware or battery issue rather than software. Ensure the battery is functional. Final Thoughts