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Updating from iOS 7.1.3 to 8.3

Sinmbo Ogunjinmi

New member
Jul 2, 2015
Hello everyone.
I have been trying to update my iPhone 5s running an iOS 7.1.2 to iOS 8.3. Anytime I tried downloading through the phone it generates an error. It also generates an error when I try it through iTunes. Please what can I do?