iOS 7.1 Speeds Up iPhone 4, Still Not as Fast as iOS 6 - Mashable

iOS 7.1 Speeds Up iPhone 4, Still Not as Fast as iOS 6 Mashable Apple's release of iOS 7.1 on Monday included a number of improvements, but there's one demographic who should really take notice of the update: iPhone 4 owners. iOS 7.1 significantly improves the performance of the phone, although it's still not up to ...