Help and Support for
Apple iPhone 4 iOS 5
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You can check for available software updates for your phone and download them. Follow these instructions to update your phone's software.
It's recommended that you back up the phone memory before you update the phone's software. Click here for information on how to back up the phone memory.
It's recommended that you back up the phone memory before you update the phone's software. Click here for information on how to back up the phone memory.