iPhone 6S : iOS 9.3.5 vs iOS 10.3 with APFS (Build 14E277) Performance / Speed Test



Apple has finally released iOS 10.3 March 27th 2017, after 7 Beta version. So we must assume that most bugs and performance hickups has been weeded out. Most important to iOS 10.3 is the new Apple File System APFS. So before you update your device be sure to backup your device, and watch this video for performance. If iOS 10.3 is not for you. Remember to downgrade to iOS 10.2.1 before Apple stops signing
iOS 10.2.1. I have been testing iOS 10.3 since Beta 1 and it has been very stable since…

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27 Replies to “iPhone 6S : iOS 9.3.5 vs iOS 10.3 with APFS (Build 14E277) Performance / Speed Test”

  1. Dardania Lion

    I can confirm that iOS 10.3 is faster than any iOS 10. Stability is really good. The problem in iOS 10.3 is battery. Boy it is eating my battery fast. I have iPhone 6s plus. I moved to iOS iOS 10.3 from 10.2.1. Battery was very good with iOS 10.2.1. Now in iOS 10.3, battery drains so fast. I am only using safari and every 2-3 minutes a number drops down. Amazing fast.

  2. Farhad Khosravi

    It's now much much better I think.
    such a smooth keyboard I didn't have in iOS 10 and I think it's a best iOS 10 release till now!
    And thx a lot for this comparison. It make me happy, that there is not much difference between both iOS versions

  3. yoyopanda

    Hello,
    im on iphone 6s plus ios 9.3.1

    i'm always worried about updating my firmware because i dont want my phone to be slower and drain my battery faster.
    could you please suggest me if i should update my 6s plus from 9.3.1 to 10.3 or sticking to 9.3.1 ?

  4. Markiso Wickstorm

    iAppleBytes what are you trying to accomplish with these tests? Opening apps are identical and a little different every time depending on clockspeeds and background processes. Try to run a realworld test "race" instead to see if they handle ram, thermal throttling differently. And in this case the filetransfer speeds etc. This is getting stupid.

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