Here’s a simple steps on how to update your mobile OS of your iOS device.
To update to iOS to the latest version, make sure you have the latest iTunes, if not you can download it from this link or just click on HELP > Check for updates.
If you already have the latest iTunes, just connect your iOS device then click on the Update button on the screen that will appear.
You need to check with Apple to check the compatibility of the updated iOS on your iOS Device.
Last modified: June 21, 2010