iOS 8.1’s major highlight is support for Apple Pay, the company’s mobile payments system that will work at retail stores and in apps. It also brings iCloud Photo Library in beta and support for Messages Continuity.
iOS 8.1 was seeded to registered developers a few weeks ago as a beta for them to test their apps. If you want to upgrade to ios 8.1 beta right now then register your iPhone,iPad,iPod to Apple Developer Account. It will activate your iPhone,iPod,iPad into the ios beta version. else, you will be activation error. So register your iPhone,ipad,iPod to Apple Developer program to upgrade to ios 8.1 beta right now.
iOS 8.1 is available for the following iOS devices:
iPhone 6, iPhone 6 Plus, iPhone 5s, iPhone 5c, iPhone 5, iPhone 4S
iPad Air, Retina iPad mini, iPad 4, iPad mini, iPad 3, iPad 2
5th generation iPod touch
We also hope that the release fixes many of the bugs introduced in iOS 8.0.x