HT201210 how to update my iphone 3g to 4.2

how can i update my iphone 3G to ios 4.2?

Connect it to iTunes on a computer and update it from there.
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  • HT5278 How to update my iPhone to ios5

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    The iPhone 3G can only Update to iOS 4.2.1
    Connect to iTunes on the computer you usually Sync with and “ Check for Updates “...
    If an Update Appears Install it... if not... you are up to date for your particular Device...
    See the Using iTunes Section Here...
    How to update your iPhone, iPad, or iPod touch

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    You can do this from the iPhones settings while connected to wifi or connecting the iPhone to a computer with iTunes. The article below will show you how:
    iOS: How to update your iPhone
    Note: It would be wise to back up your iPhone before updating and also checking out the new layout for iOS 7 to make sure the new look is something you like.

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    I know how to update my iphone but it says that im not connected to the internet, when i actually am?!
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    How do update an iphone 3g from ios 4.2.1 to a newer ios?

    You can't. iOS 4.2.1 is the last version an iPhone 3G can run.
    Regards.

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    Update the iOS software on your iPhone, iPad, and iPod touch - Apple Support

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    Who loves ya, baby?

  • How to update my iphone 4 to ios 7 from 6.1.2

    How to update my iphone 4 to ios 7 from ios 6.1.2

    You can do this from the iPhones settings while connected to wifi or connecting the iPhone to a computer with iTunes. The article below will show you how:
    iOS: How to update your iPhone
    Note: It would be wise to back up your iPhone before updating and also checking out the new layout for iOS 7 to make sure the new look is something you like.

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    iOS: How to transfer or sync content to your computer, http://support.apple.com/kb/ht1296

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    iPhone 3GS                                 iOS 6.1.x
    iPhone 4                                      iOS 6.1.x
    iPhone 4S                                    iOS 6.1.x
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    iPad 3                                          iOS 6.1.x
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