How to drastically improve iPhone 4 or iPhone 4S performance on iOS 7


On November 12, 2013

If you have an iPhone 4 or iPhone 4S and have recently made the new iOS 7 update, then you have noticed that unfortunately the phone’s performance dropped significantly and you are only thinking about to return to iOS 6, which , as you probably well know, you can’t. The only way to downgrade from […]