BlackBerry Smartphones how Downgrade Version

I have alreade device was updated to version 6.0.0.668. Now I don't know how to upgrade to version 6.0.0.448. Please help how to solve.

1 remove the newer operating system of your PC by going to control panel > Add/Remove programs. (If you never physically installed the OS on your PC, go to step 2.)

2. next, download and install the earlier version of the operating system. Operating system blackBerry downloads

3. install the older operating system to the computer by running (double click) the downloaded file.
4. go into c:\program files Research in motion\apploader and delete the file named "vendor.xml."
5. plug in the BB and double-click on "Loader.exe." It is located in the same place as the above vendor.xml file.

Tags: BlackBerry Smartphones

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    mezozam wrote:

    The problem is not emissions

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    Good luck and let us know!

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    *****************
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    email_dc wrote:

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    email_dc wrote:

    1.

    2. is it possible to do a hard reset of the device to factory default as a new phone?

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    • KB16307 Actions performed by the BlackBerry smartphone during the removal of the user stored and application data
    • KB14058 How to delete all data and applications in the smartphone BlackBerry using the security option wipe
    • KB31291 How to reset a BlackBerry smartphone to factory using BlackBerry Desktop Software Settings
    • KB29847 How to charge a BlackBerry smartphone without using the BlackBerry Desktop Software

    email_dc wrote:

    1.

    2.

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    LaDaesha wrote:

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    Hello Chantal96

    Welcome to the Forums of the BlackBerry Support

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    Hi dontsou

    Welcome to the Forums of the BlackBerry Support

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