How fast is iOS 8.3 update compared to iOS 8.1.3 or 8.2 beta 5? Apple hasn’t launched any of the new firmwares yet, but developers can glance into iOS 8.3 specs based on the second beta released in the end of February. Some ordinary iPhone users have already downloaded iOS 8.3 beta 2 using direct links for ipsw files and can also notice the difference in performace. According to experts, the upcoming iOS 8.3 release date can bring a smile on the face of users with older iPad 2 and iPhone 4S. Both these gadgets have had performance problems with iOS 8. Users kept complaining about this, and Apple has most likely reacted and brought some improvements into the future OS version. The latest iOS 8.3 beta 2 does make iPhone 4S and iPad 2 faster even though such better performance and overall stability was promised back in November but never appeared in iOS 8.1.1 or later versions. Users have been talking about issues with iOS 8 for a long while. Only modern iPhone 6 / 6 Plus and 5S / 5c / 5 owners had less problems along with iPad mini, iPad Air and iPad 3 and 4. A user who has already compared iOS 8.1.3 and 8.3 beta 2 assures that iPhone 4S gets slight enhancement in its performance which is noticed when you launch different applications. The future iOS 8.3 should respond a bit quicker. These changes can’t be noticed on iPhone 5 and newer versions though.