11-22-2012 12:30 PM
Yes you can do that on your BlackBerry Curve 9300,But before that remove or Uninstall any previous OS pack from your PC then try it like this :
1.Locate your Carrier and Download the OS 5 file from here and Install it in your PC or Laptop Carriers
2. Download and install the latest BlackBerry desktop software from here BlackBerry desktop software
3.Search your C: drive for Vendor.xml and delete them, there may be one or two vendor.xml ( On your Pc change your folders option to show hidden files/folders ) :
4. Use BBSAK from http://bbsak.org/ and wipe the device then after you get the error 507 ( no OS ) then proceed to next step.
5. Go to C:\Program Files\Common Files\Research In Motion\AppLoader. (For 64-bit Vista or Windows 7, the path will be C: > Program Files x86 > Common Files > Research In Motion > AppLoader) double click Loader.exe.
Please try it and let us know.
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