Backing up your phone before updating the iOS is always a good idea. Updating via WiFi will require you to free up over 5gb of storage on your iPhone before you can start the update process. If you update through iTunes on your computer you won't have to free up all that storage space on your iPhone.Any problems installing ios 8 onto an iPhone 5s ??
I have been told to MANUALLY BACK UP TO ITUNES THEN PLUG IPHONE IN AND install over WIFI.
Anyone do it this way??
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