iOS 9.3 vs iOS 9.2.1 Speed Test on iPhone 6S, 6, 5S, 5 & 4S

iOS 9.3 vs iOS 9.2.1 Speed Test on iPhone 6S, 6, 5S, 5 & 4S

iOS 9.3 vs iOS 9.2.1 FINAL Speed Test Comparison! Is 9.3 Faster? Lag, Startup, App Launching on iPhone 6S, 6, 5S & 4S!

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(Source: EverythingApplePro [YouTube])