If the window opens and disappears immediately, your computer is lacking the correct USB drivers. Reinstall the BlackBerry USB driver package, restart your PC, and try running the executable again as an administrator. Stuck on "Connecting to Bootrom"
🚀 [How-To] Download & Install BlackBerry Bold 9790 Autoloader (OS 7.1)
Unlike standard over-the-air (OTA) updates, an autoloader bypasses the corrupted operating system files on your device. It forces the hardware to accept a clean installation. Flashing an autoloader is highly effective for:
Follow these steps precisely to flash the BlackBerry 7.1 operating system onto your Bold 9790. Step 1: Extract and Prepare the File blackberry 9790 autoloader download
2.45-inch capacitive touchscreen; provides a hybrid "Touch & Type" experience. The Keyboard
: The battery voltage is too low to initiate the flash. Charge the battery using a wall charger for an hour before trying again.
If your 9790 is completely dead, plug it into a wall charger for 2 hours before proceeding. If the window opens and disappears immediately, your
: Traditional desktop software requires the computer to recognize a fully booted device. Autoloaders can flash firmware even if the phone cannot boot into the OS.
This is the most critical step. Navigate to the AppLoader folder on your PC. The path is typically C:\Program Files (x86)\Common Files\Research In Motion\AppLoader . In this folder, find and delete a file named vendor.xml . This file restricts the OS update to specific carriers. Deleting it allows the software to be installed on any BlackBerry 9790, regardless of its original carrier.
The computer cannot detect the device interface. Try using a different USB port (prefer USB 2.0 ports over USB 3.0) or replace the micro-USB cable. Device Loops After Flashing It forces the hardware to accept a clean installation
Finding a legitimate and safe autoloader for the BlackBerry 9790 is the most crucial step. Since official BlackBerry services have been discontinued, you must rely on community archives and trusted third-party sites. Here are the most reliable sources:
The table below lists some of the known official OS versions for the BlackBerry Bold 9790, based on community archives.