Iphone 4
How do you update/restore old iPhone 4 to a new iPhone 4S?
iPhone 4S, iOS 8.1
Newsroom Update
Apple is introducing a new Apple Watch Pride Edition Braided Solo Loop, matching watch face, and dynamic iOS and iPadOS wallpapers as a way to champion global movements to protect and advance equality for LGBTQ+ communities. Learn more >
Apple is introducing a new Apple Watch Pride Edition Braided Solo Loop, matching watch face, and dynamic iOS and iPadOS wallpapers as a way to champion global movements to protect and advance equality for LGBTQ+ communities. Learn more >
How do you update/restore old iPhone 4 to a new iPhone 4S?
iPhone 4S, iOS 8.1
The hardware of an iPhone 4 can't be upgraded. An iPhone 4 can only update to iOS 7.1.2
To download this software, set it back to factory settings, explained in this article:
Use iTunes to restore your iOS device to factory settings - Apple Support
Iphone 4