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  1. #17
    Morganizer's Avatar
    Morganizer is offline Blackberry Whore
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    Check this out to get started tutorial click here



  2. #18
    RTS
    RTS is offline BlackBerryOS Friend
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    Thanks. How do I upgrade the OS?

  3. #19
    Morganizer's Avatar
    Morganizer is offline Blackberry Whore
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    Look at my post right above yours and click the link... good luck



  4. #20
    RTS
    RTS is offline BlackBerryOS Friend
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    Thanks for your help. That's a bit complicated for me. Not sure what I am supposed to upgrade to. Will try and take it somewhere on Mon. Back to you if I still need help. Appreciate all

  5. #21
    Morganizer's Avatar
    Morganizer is offline Blackberry Whore
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    Quote Originally Posted by RTS View Post
    Thanks for your help. That's a bit complicated for me. Not sure what I am supposed to upgrade to. Will try and take it somewhere on Mon. Back to you if I still need help. Appreciate all
    That tutorial covers a lot of ground. It's really a straight forward process. If you decide to tackle it we will be happy to help.



  6. #22
    ealvnv's Avatar
    ealvnv is offline BlackBerryOS Master Follow ealvnv On Twitter
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    Wirelessly posted (Bold 9000 )

    Upgrading your Blackberry smartphone to 4.5 OS...

    Follow these instructions exactly and you should be able to have OS 4.x working.

    1.) BACK UP YOUR DATA! - I can't stress how important it is to get a good backup in the event you need to restore your data.

    2.) Verify that you are using the latest version of Desktop Manager. Open BlackBerry Desktop Manager. In the Desktop manager program on your PC use the Help menu and select About Desktop Manager.

    3.) If you haven't already, download lastest OS 4.x from

    4.) Install 4.x using the .exe file you just downloaded. If you are downloading the OS specific for your carrier you can skip step 5. I other words if upgrading a T-Mobile BlackBerry with T-Mobile OS then you can skip this step. However, if you have an At&T Wireless Blackberry and the OS is non-At&T eg. from Vodafone, you MUST follow step 5.

    5.) Delete the 'Vendor.xml' file ( C:\Program Files\Common Files\Research In Motion\AppLoader ) Or search your computer's hard drive for the "vendor.xml" file. Once you find it, delete it.

    6.) Connect the BlackBerry device to the computer. If prompted, type your BlackBerry device password and click OK.

    7.) Open Desktop Manager. It should recognize that there is an upgrade for your device. ('Vendor.xml' must be deleted for this step to work).


    8) When the Application Loader Wizard is finished examining the configuration on the BlackBerry device, the Device Application Selection screen appears listing the applications and OS version available for installation. The selected check boxes indicate applications that are already installed on the BlackBerry device.

    9) If you didn't backup first you should select to do so now.

    10) Follow the prompts and you will have OS 4.x installed in about 15 to 20 minutes.

  7. #23
    olta777 is offline BlackBerryOS Wizard
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    Awesome post, Ealvnv!!!

  8. #24
    ealvnv's Avatar
    ealvnv is offline BlackBerryOS Master Follow ealvnv On Twitter
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    Wirelessly posted (Bold 9000 )

    Download Desktop Manager
    I recommend 4.6

    ATT 8800 4.5.0.110

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