HT5704: About the security content of iOS 6.1.3Learn about About the security content of iOS 6.1.3
Currently Being ModeratedMay 26, 2013 6:36 PM (in response to Supaflyest1)
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.
Also read the instructions from the section entitled "Update your device using iTunes" at the link below.
Information regarding transferring purchases from your iDevice to iTunes on your syncing computer can be found at the link below.