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how to upgrade

how to upgrade my software

iPhone 3G, iOS 4.2

Posted on Apr 7, 2012 2:12 PM

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18 replies

Nov 29, 2012 12:35 PM in response to mike godi

Enter your serial number here: https://selfsolve.apple.com/agreementWarrantyDynamic.do


If it comes back as a 3G it cannot be upgraded beyond where it is. If it is a 3GS, 4, 4S, or 5 it can be.


Tip: Connect the phone to your computer; Go to iTunes; click on the name of the iPhone, then the Summary tab on the right. You will see the serial number of the phone.

how to upgrade

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