iPhone 4S iOS 8.4.1 vs iOS 9.3 Final Version Speed Comparison Build 13E233 and 13E237

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Apple released iOS 9.3 today at their “Lets Loop You In” event. It comes after an unprecedented 7 Beta versions. So we would
think that it is as optimized as possible. So we are excited to
test it against iOS iOS 8.4.1.

iOS 9.3 Released today has build number # 13E233

If you would like to see test done in the future on iPhone 6S
and iPhone 5SE, please visit this channels page and click the
donate button.

Let’s check it out.

Music :
EDM Detection Mode by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1500026
Artist: http://incompetech.com/

Note :
All devices has been fully restored, and loaded with the same
backup. The 4S devices are 32GB versions, the 5 and 5S
devices are 16GB versions and the iPhone 6 are 64GB versions.

21 Comments on iPhone 4S iOS 8.4.1 vs iOS 9.3 Final Version Speed Comparison Build 13E233 and 13E237

  1. La batería dura muuuucho más con ios 8.4.1, ios 9.3.1 consume mucho, ios 9.3.1 en cuanto a Bateria es poco optimizado, tengo un iphone 6 con ios 8.4.1 bateria me duraba 7.5horas, con ios 9.3.1 solo 5,5horas, lamentable la muerte de Steve Jobs QEPD

  2. Please can someone help me?! I try to dawnload ios 9.3 with my iphne 4s… But thats was not workong… My phone say i m not on an internet connect.. But i am.. Help please? Thanks!

  3. Listen applebytes,one thing is very noticable ios 8 vs ios 9,try testing opening links in app like facebook,and than try videos on links that open in fcb,notice diference on volume bar,in ios 9 it lags very much on appearing big diference vs ios 9,make e video just on that than one should notice diference by time using the app

  4. still bugs me that apple promised better performance on a5 devices back before ios9 was released, they've had enough time to bring it up to speed but have failed. i updated on launch day and downgraded back to 8.4.1 while they were still signing, no regrets. hardly any of the new ios9 features made it into the iphone 4s anyway.

  5. Everything, just everything is slower in 9.3. I doubt it even has night shift (even though it claimed so in the update "more information", I will not update anyway, it's slowed down enough already

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