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7 Things to Know About the iPhone 4s iOS 9.3.5 Update



The iPhone 4s didn’t get iOS 10 or iOS 11 and it won’t get iOS 12. That means iOS 9.3.5 will continue to serve as the final update for Apple’s aging former flagship. With that in mind, we want to take a look at the most important things to know about the iPhone 4s iOS 9.3.5 update.

If you’re still holding onto the iPhone 4s it might be time to upgrade. The device is stuck on Apple’s aging iOS 9 software which means you won’t get the features from iOS 10, iOS 11, or Apple’s upcoming iOS 12 update.

It also means you’re missing out on security updates and bug fixes for lingering iOS problems. If you run into a problem on your iPhone 4s, you’re on your own. The iPhone 4s is, and will continue to be, stuck on Apple’s iOS 9.3.5 update.

If you’re just now getting around to updating your iPhone 4s and you’re coming to iOS 9.3.5 from iOS 9.3.4, your iOS 9.3.5 upgrade will be tiny as it features just three security patches and nothing else.

If you’re coming from something older than iOS 9.3.4, your iPhone 4s iOS 9.3.5 update is going to be much larger. The features and fixes from the iOS updates you skipped are baked into iOS 9.3.5.

This guide takes a look at some key things iPhone 4s users need to know about the iOS 9.3.5 update’s performance, its problems, and the iOS downgrade process, as we push into the year.

iPhone 4s iOS 9.3.5 Reviews

iPhone 4s iOS 9.3.5 Reviews

We've been able to spend some quality hands-on time with many of Apple's other iOS updates but we haven't spent enough time to provide quality feedback about the iPhone 4s iOS 9.3.5 update. So, we must turn to the opinions of others.

As we push further and further away from Apple's iOS 9.3.5 release date we've seen iPhone 4s users from all over the world relay feedback about the update's performance.

If you haven't installed yet you should make it a point to dig into these mini iOS 9.3.5 reviews.

iPhone 4s iOS 9.3.5 update reviews are still mixed months after the update's release. While some users are seeing solid performance in key areas like battery life and connectivity, others are complaining about lag, freezes, and occasional stuttering. 

Some users have said that they are sticking with the iOS 8 update, others are saying the iOS 9.3.4 and iOS 9.3.5 updates solved some of the lag issues they had with earlier versions of iOS 9.

As of right now there is no clear cut answer which means those of you with an iPhone 4s need to be extremely careful with this upgrade.

Dig into this feedback and decide if it's worth it to you and your device. For most of you, it will be thanks to the nature of the security patches on board. 



  1. Enajrowe

    04/20/2016 at 8:18 am

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    Tʜɪs ɪs ᴡʜᴀᴛ I ᴅᴏ ….. See More

  2. enrico liverani

    05/25/2016 at 2:54 pm

    sorry but you guys need to get your collective head out of apples ass and start reporting the truth in the last 9 months the once fairly reliable apple is now become totally unpredictable. update after update has delivered crap after crap. in recent months i have lost my notes which caused huge personal issues (yes i should never have trusted software) apps just disappear from my phone. apps move around unexpectedly. the phone comes on without reason and i only notice because it has become hot in my pocket and yes i have taken care to turn it off before sticking it in my pocket.
    the latest crap is the current update which has from now where brought back 2500 emails into my inbox which i had previously deleted. people have put up worth apples incompatibility with the rest of the universe grudgingly because it made up for it with reliable products that is fast disappearing under the current leadership who just seem to bash stuff out. a friend could not match up an iPad with their iPhone in the same room this is just becoming unacceptable. in todays world you can go from hero to zero in a flash apple beware.

  3. Hector

    06/07/2016 at 10:05 pm

    Apple misses Steve Jobs! Since he is gone, Apple is not the same

  4. Bill

    07/24/2016 at 3:46 am

    Could someone please tell me if an iPhone 4 battery will fit an iPhone 4s. Thanks Bill

  5. jacquelinecollins786

    07/28/2016 at 10:45 pm

    when i looked at the figure of 8756 d .Than I have no other choice but to accept , what i ssaw .wr. They have been doing this for a year and get ride of their debts.. Yesterday they purchased new Aston Martin ………..23s
    Go To Web==========> >

  6. Nazwan

    07/29/2016 at 8:07 am

    Why update very slow because i done download and install

  7. Joel

    07/29/2016 at 3:00 pm

    This Upgrade has prevented my mobile from turning on!!! It’s faulty. Apple logo comes on then phone goes off. I attempted the upgrade this morning.

  8. Corey

    07/30/2016 at 1:16 pm

    My phone will not charge now.

  9. Edward

    08/01/2016 at 8:06 pm

    Just update to ios 9.3.3 and not a problem on my iPhone 4s works well and fast for me just hopes it stays that way

  10. Linda Menkhorst

    08/08/2016 at 8:12 pm

    My son just updated to ios 9.3.4, now 3G seems bricked.

  11. Juan

    09/02/2016 at 10:04 pm

    I upgrade my iPhone 4S to iOS 9.3.4 and the ear speaker crash. Since first moment the speaker play no sound. I turn back my phone to iOS 9.3.2 and everything is ok. I don’t want to risk my phone for an upgrade (9.3.5) that could be the last one.

    • Petya

      09/05/2016 at 5:00 am

      Hi Juan! How can I return my Iphone 4S from 9.3.4 to 9.3.3 ( Which version is better 9.3.3 or 9.3.2) ? Recently installed version 9.3.4 and the phone began to overheat and the battery is depleted… Need a help! Thanks

  12. johnny

    09/03/2016 at 5:52 am

    Iphone 4s with 9.3.5 is perfect what are you all on? Still an amazing phone and still updating and supported. Get a new phone or accept things on a 5 year old phone takes time.

  13. Robert Jackson

    09/05/2016 at 10:04 am

    I had my iPhone 4s since the beginning. And yes with 9.3.5 she is still kicking strong and doing well. I cannot say much for others, but if they have any problems with any updates. Just re-set the whole thing (make sure you on iCloud ) like a brand new phone, or to the last day like two days ago. And when all is boosted. You’ll have more storage for some reason , and everything you had since. And I have a 16 gigger (n####r) joke…. Smile….it won’t broke yo face! Jamaican Man. Make sure you have an iPad or MacBook. They all feed off one another like clockwork. Adios Gringgos

  14. premn

    09/19/2016 at 7:16 am

    Anyone know if there is a further update coming. My 4S has become almost useless. And I’m pretty sure it was after the 9.3.5 update. I’m hoping they might fix it? Thanks.

    • prem

      09/30/2016 at 11:38 pm

      Update: After one month of sound and other issues, my 4s suddenly started working fine with 9.3.5. Amost as if it needed a month to get used to the update. Thought I should share this here.

  15. Chris

    09/30/2016 at 5:20 pm

    4s stopped working when I tried to update to 9.3.5. Never was able to upgrade, only shows the “plug into iTunes” and is basically bricked until I figure out how to fix it.

    • Abramski

      10/13/2016 at 2:20 pm

      Can u put the device in DFU mode? You do it this way, make sure the phone is off AND connected to your mac or pc and leave iTunes open, press and hold down the power button and count 3 seconds, after you count those 3 seconds, you push down the home button but don’t release the power button, hold the power button and home button pressed simultaneously for about 10 seconds, in mean time the screen should turn black as you reach 6 or 7, after 10 second, release the power button but keep holding down the home button until you see a prompt in iTunes that will tell you to restore you’re iPhone. Good luck!

  16. Mike Morley

    11/01/2016 at 5:59 am

    Since updating to ios 9.3.5 my iPhone 4s shuts down at 35% battery level. I have heard that Apple do not plan to release any further updates to iphone 4s so I either put up with this or upgrade the phone. Of course apple would love me to upgrade the phone. I also upgraded my ipad2 to ios 9.3.5 and found it would then not let me past password sign in, it to a great deal of time to sort this out including complete reset and restore of the machine. I don’t have time to fix apples mistakes so I’m switching to android, at least you are not badgered continuously to upgrade it’s operating system APPLE NEVER AGAIN !

  17. Satheesh

    12/17/2016 at 10:05 pm

    When i update to 9.3.5 My 4s asking to connect itunes. I dont know why? Anyone can explain?

  18. NIROSH

    02/08/2017 at 4:39 pm

    what’s the Next date of 4s update

  19. Sue

    03/17/2017 at 6:23 pm

    9.3.5 was the last update for 4S!

  20. user

    03/19/2017 at 5:22 pm

    battery problem and overheating..

  21. Just Curious

    06/23/2017 at 11:29 am

    If this article was posted on Posted on 06/16/2017, then why are there comments from 2016?

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