It will work on the following devices:
The features in this update are:
If you are ready to update, then plug your iOS device into your computer and open up iTunes. On the left-hand sidebar, click on your iOS device and you will see the main info window. From there click on update and the rest should hopefully take care of itself.
If you are on iOS 4.2.1 or lower and you are jailbroken, please don’t update until I advise you to do so. Until next time, this is Adiman423 on behalf of iPhone Tutorial Videos signing out.wordpress plugin seo.