Be aware that once you flash a 10.3.x version, you may not be able to downgrade to earlier versions of BlackBerry 10. By using the BlackBerry Z3 STJ100-1 autoloader developer exclusive Go to product viewer dialog for this item.
: Ensure the latest BlackBerry USB drivers are installed on a Windows PC. Execution : Turn off the device. Run the .exe autoloader file on your computer. blackberry z3 stj1001 autoloader developer exclusive
If your device had a password, you might be prompted to enter it during the flash, although a dev autoloader usually bypasses this. Be aware that once you flash a 10
If your developer exclusive build still asks for a BlackBerry ID login during setup, use the trick: Execution : Turn off the device
While retail autoloaders exist, the "Developer Exclusive" or internal developer versions are often preferred for several reasons:
The software will now begin to load the OS. Do not disconnect the cable under any circumstances, as this can permanently break the device.
The loading screen on the phone will show a green bar, indicating the OS is being installed. Do not unplug the phone during this process, which can take 10–20 minutes.