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BlackBerry® Curve™

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rajkannan90
Posts: 28
Registered: ‎09-07-2012
My Device: BlackBerry Curve-9300
My Carrier: Airtel

Degrade to 5.0 from 6.0

hi , am using os 6 version in my bb curve 9300. can i degrade it to os 5 ????

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Elite II
prince2012
Posts: 7,960
Registered: ‎06-01-2012
My Device: Curve
My Carrier: BSNL

Re: Degrade to 5.0 from 6.0

Hi rajkannan90

 

 

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

  • (make sure you are downloading for the same model as you have )

 

2. Download and install the latest BlackBerry desktop software from here BlackBerry desktop software

  •     Then if it allow  perform your backup of your device.

   

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 ) :

 

  •     C:\Program Files (x86)\Common Files\Research In Motion\AppLoader
  •     C:\Users\Windows UserName\AppData\Roaming\Research In Motion\BlackBerry\Loader XML

  

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.

 

 

Prince

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