1. korn5979's Avatar
    Whenever I upgrade to a different OS my contacts and calander updates are all gone. How do I fix this?

    Can i just take out my SIM and media card b4 i upgrade or what?
    05-07-09 11:39 AM
  2. jlawler4's Avatar
    No media and sim card don't matter, you need to back up your phone. See the noob guide in the OS forum.
    05-07-09 11:41 AM
  3. stick2e's Avatar
    You need to make sure that you backup the BB before you upgrade. I do that all the time and then after the OS is install I restore the backup.
    05-07-09 11:41 AM
  4. korn5979's Avatar
    ok thank you
    05-07-09 11:42 AM
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