Firmware Change Update On Blackberry 9220 Curve Now

BlackBerry Curve 9220 (codenamed "Davis") primarily runs BlackBerry OS 7.1

While many official download sites have been archived, the following versions were landmark updates for the 9220: Firmware Change Update on BLACKBERRY 9220 Curve

If the new firmware drains battery quickly, downgrade is possible but tricky: If fails, use to wipe device before reloading OS

Have you successfully updated your BlackBerry 9220? Share your experience in the comments below. | | USB not recognized | Reinstall BlackBerry

Before initiating any firmware change, ensure you have the following:

| Problem | Solution | |--------|----------| | Device stuck on white screen | Run Autoloader again. If fails, use to wipe device before reloading OS. | | Error 507 (No OS) | Device is blank. Reload OS using Loader.exe – it’s recoverable. | | USB not recognized | Reinstall BlackBerry USB drivers manually from Desktop Software folder. | | Update fails at 75% | Battery below 30% or bad USB cable. Retry with official cable. |

: You must delete the vendor.xml file from this directory before running Loader.exe to allow firmware from different carriers to be installed.