The first boot after an Autoloader takes 5-10 minutes. Do a battery pull once it reaches the setup screen to finalize the registry.
: Go to C:\Program Files (x86)\Common Files\Research In Motion\AppLoader and delete the vendor.xml file. This allows the firmware to be installed on any 9900 regardless of the original carrier. Blackberry Bold 9900 Autoloader
| Error Message | Cause | Solution | | :--- | :--- | :--- | | | Driver conflict or another process holds the port. | Reinstall BlackBerry USB drivers. Reboot PC. Uninstall Samsung Kies or iTunes. | | "Error: Device did not reset" | Battery voltage dropped below threshold during flash. | Leave the phone plugged in for 2 hours (charge via wall charger), then restart the autoloader from scratch. | | "Sahara: Protocol error" | USB cable is too long or low-quality. | Use an original BlackBerry micro-USB cable (max length 3ft). Try a USB 2.0 port (not USB 3.0). | | Phone stuck at 99% | Corrupt OS file or incompatible build. | Download a different version (e.g., downgrade from 1147 to 1047). Re-run autoloader. | | "Unknown Device" in Windows | Device is in deep brick (dead boot). | Perform a "Battery Pull & Hold" trick: Remove battery, hold Volume Up+Down, insert battery while holding. Then run autoloader. | The first boot after an Autoloader takes 5-10 minutes
The average user never needs an Autoloader. But if you own a Bold 9900 in 2026, you are not average. You need the Autoloader if you experience any of the following: This allows the firmware to be installed on