iOS 6.1.3 Update for iPhone 4, 4S and 5
The iOS software update 6.1.3 has been released for the iPhone 4, 4S and 5.
Click here for details about the update.
Your iPhone will prompt you to download the new software. The software update can be downloaded via WIFI or iTunes with an internet connection. Click here for step-by-step instructions over WIFI or via iTunes.