i Phone 5 S i OS 9. 1 vs i OS 8. 4. 1

Today, October 21st 2015 on Back to the future day, Apple released the final version of iOS 9. 1. This after 5 beta releases. The early beta releases have shown good signs of speed improvements on the older devices, but no miracles so far. So does the final version deliver that miracle Lets take this release up to 88 mph and find out. Beware : 9. 1 breaks the current jailbreak. So do not update if you plan to jailbreak. Music : Orange by Topher Mohr and Alex