iOS 9.3 Beta 2 Vs iOS 9.2.1 Head-To-Head Speed Test ComparisonOliver Haslam·January 28, 2016Here's a head-to-head speed test comparison between iOS 9.3 beta 2 vs iOS 9.2.1 final version in the form of four videos, one each for iPhone 6, iPhone 5s, iPhone 5 and iPhone 4s.
