Can I upgrade my iPhone 3G iOS 4.1 to iOS 4.2.1 via iPhone without computer? - 1
Can I upgrade my iPhone 3G iOS 4.1 to iOS 4.2.1 via iPhone without computer?
Go to Settings>>General >>software update. There if you can see latest ios for your 3G then you can simply upgrade it without pc make sure you have Wi-Fi connection. If you didn't see any ios for upgrade you have to manualy download ios 4.2 and upgrade through your pc
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