You may need to install the BlackBerry 9900 Drivers to ensure your PC recognizes the device, with support up to Windows 10.
While holding the button on the phone (or simply inserting the cable without holding anything, depending on the autoloader version), plug the cable into the BlackBerry 9900. bb 9900 autoloader download
This is the critical part. The timing of when you plug in the phone matters. You may need to install the BlackBerry 9900
If the command prompt sits on "Connecting to Bootloader," your PC lacks proper drivers. Reinstall BlackBerry Desktop Software, restart your PC, and try a different USB port (preferably a USB 2.0 port on the back of the motherboard). depending on the autoloader version)
Download BB 9900 Autoloader: Easily Load BBOS 7.1 and More
You may need to install the BlackBerry 9900 Drivers to ensure your PC recognizes the device, with support up to Windows 10.
While holding the button on the phone (or simply inserting the cable without holding anything, depending on the autoloader version), plug the cable into the BlackBerry 9900.
This is the critical part. The timing of when you plug in the phone matters.
If the command prompt sits on "Connecting to Bootloader," your PC lacks proper drivers. Reinstall BlackBerry Desktop Software, restart your PC, and try a different USB port (preferably a USB 2.0 port on the back of the motherboard).
Download BB 9900 Autoloader: Easily Load BBOS 7.1 and More