Last Updated: Oct 04, 2016
Steps to upgrade the Device Software on iOS devices using iTunes.
If over-the-air updating is not available, iOS devices can be updated using iTunes. Make sure the latest version of iTunes is installed before starting this guide. The latest version of iTunes can be downloaded from http://www.apple.com/itunes/download/.
Note: Do not interrupt the installation. The iOS device will restart when the update is finished.