Upgrade from 3G to 4 help

Discussion in 'iPhone Tips, Help and Troubleshooting' started by mcwbyu82, Jun 22, 2010.

  1. mcwbyu82 macrumors newbie

    Joined:
    Jul 29, 2008
    #1
    Hey All,
    Had my 3G for almost 2 years and expecting my iphone 4 tomorrow.
    The 3G was my first iphone so I havent gone through the upgrade process yet and I must admit I have probably only synched my 3G 3-4 times.
    I am sure I could piece togther the correct process for a smooth upgrade but thought I would just ask for a quick response.

    So what are the exact steps I should take regarding back up and then restore?
    Should I download/install IOS4 on my 3g first?
    Thanks
     
  2. codenamecueball macrumors regular

    Joined:
    Jul 28, 2009
    #2
    Sync phone, let it backup, then when iPhone 4 comes, choose restore from backup blah not new iphone
     
  3. -FlyAuburn- macrumors regular

    Joined:
    Jun 2, 2010
    #3
    What if you are restoring from a 3.1.3 backup to an iPhone 4. Won't that mess things up? Also, what do you do later (I have a new iMac on order) if you want to sync to a new computer? Will it copy all files on the phone to the new Mac and automatically de-authorize the old computer?
     

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