how to update ios 4.1 to ios 5.1.1 on iphone 3GS using itunes
how to update ios 4.1 to ios 5.1.1 on iphone 3GS using itunes, is there any of you can give me a favour? , thanks .
iPhone 3GS, iOS 4.1
The option to update without the computer (Over the air) was made available with iOS 5. If your iDevice is using a version of iOS lower than 5, you will need to use iTunes on your syncing computer to perform the upgrade. Use the Apple link below as a guide for the upgrade.
http://support.apple.com/kb/HT4972
This procedure will upgrade the phone to iOS 6.1.2