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iPhone 4s iOS 9.0.1 Update: 10 Important Details



Yesterday, Apple rolled out an iPhone 4s iOS 9.0.1 update, its second iOS 9 update in a week. With that in mind, we want to take a look at the most important things to know about Apple’s brand new iPhone 4s iOS 9.0.1 release.

In June, Apple confirmed an iPhone 4s iOS 9 update. The update came as a little bit of a surprise given that Apple had, up until this year, kept iPhone iOS support to three years. The iOS 9 update is the iPhone 4s’ fourth major iOS update.

Last week, the iPhone 4s iOS 9 update arrived bringing new features and enhancements to the aging former flagship. It’s a substantial system upgrade for the iPhone 4s but it won’t be the last iOS 9 update the device receives.

The iPhone 4s iOS 9.1 update is confirmed but in the meantime, owners will have to contend with a brand new iPhone 4s iOS 9.0.1 update that rolled out yesterday morning.

Apple’s iPhone 4s iOS 9.0.1 update is now available for download and it delivers some crucial fixes for iOS 9 problems including one for broken alarms and timers. It’s a small update for the iPhone 4s but it could have a big impact.

In the hours since the iOS 9.0.1 release, we’ve seen a number of new details emerge and today we want to roundup the most important details we think iPhone 4s users need to know about as we move away from the iPhone 4s iOS 9.0.1 release date.

Keep these in mind as we push into October towards Apple’s upcoming iOS 9.1 update, an update that is iOS 9’s first milestone update.

iPhone 4s iOS 9.0.1 Performance Reviews

iPhone 4s iOS 9.0.1 Performance Reviews

As we move away from the iOS 9.0.1 release date, we're starting to hear more about the iPhone 4s iOS 9.0.1 update's performance. 

After 24 hours, feedback about the iPhone 4s iOS 9.0.1 update is mixed. While some users are reporting good experiences with the iPhone 4s iOS 9.0.1 update, we're also seeing numerous complaints about the update's performance

Before you update, we recommend poking around for feedback about the iOS 9.0.1 update. Solid resources include YouTube, Apple's discussion forums, and Apple-centric forums like MacRumors. 

From what we can tell, you're going to need to be extremely careful with iOS 9.0.1, especially if you're coming from iOS 8.4.1 or below. iOS 9 is apparently killing performance for some users so you'll want to really dig on before making your move. 



  1. Stephanie

    09/25/2015 at 5:57 pm

    Sadly, I did not review this site before going for the update. I’ve never had a problem with an iOS version update before But this time my phone has completely crashed. After sitting for 4+ hours downloading this update all I can get is a picture on the screen of a plug, with an arrow pointing to an itunes icon. I hooked it back up to iTunes; It tries to restart the update but errors out, telling me it needs to be reset to factory setting and then restore. Finally I’ve given up trying to complete the update and tried to restore to factory settings and I’m not having any luck with that either. Almost 2 hours now to try and reset to factory settings and it is not looking good. I know I’m not “updating” my iPad with this mess. Ideas please?

    • kelly k

      09/26/2015 at 12:57 pm

      Me too! I haven’t had any issues with my phone until this update. I had to do the factory reset as well and lost over 5,000 pics, songs, etc…
      I’m now trying to troubleshoot fixing my bluetooth, which stopped working after this “update.”

    • Cameron

      09/29/2015 at 4:50 pm

      So it crashed y’all phones

  2. Losing Faith

    09/28/2015 at 2:28 pm

    Time to reinstall the land line.

  3. Frenchie-Naih Camaya

    09/29/2015 at 5:44 am

    damn it,same here!!

  4. Frenchie-Naih Camaya

    09/29/2015 at 5:45 am

    now i cant use it

  5. Kala

    09/29/2015 at 9:43 am

    I haven’t had a problem with my phone til I did the update. My phone now freezes and turns everything off for a sec and comes bck on. Kicks me off of things. My phone is slower. How do I downgrade?

  6. Raeis

    09/29/2015 at 8:36 pm

    I got the same problem this morning. Open itunes, making sure it is the latest update. Connect the iphone 4s, and there is a message coming out saying to upgrade or restore. I choose upgrade, and it started to download the software, after that it ask again to upgrade or restore, I choose upgrade, and it go on to upgrade. Waiting for quite a while until the iphone finally rebooting. Thank God! However, it is very slow indeed.

  7. nick

    09/30/2015 at 6:44 am

    there just bricked iphone 4s so you have to go buy new model

  8. kangdii

    09/30/2015 at 6:58 am

    it also happened to me today, I couldn’t use my iphone 4s now, what should I do with this one? i never had issue after upgrade this update, please I need some help for this! :(

  9. 00700556

    09/30/2015 at 8:38 am

    Downgrade your software back to 8.4.1 if you can. I have a 4s and a 6 plus. There is def a performance issue on both with apps freezing but even more so clear as day on the 4s. I downgraded back to 8.4.1 and both phones are back to blazing fast speeds.

    • kangdii

      10/20/2015 at 10:49 am

      but how to downgrade it? well since I’m not good with it, then I need your help to help me for this, I really need some kind of help from people know how to fix it well, please~

    • manoj

      10/21/2015 at 7:02 am

      how to downgrade pls

  10. hosseyn

    09/30/2015 at 10:03 am

    how to downgrade please?

  11. Jeremy

    10/18/2015 at 9:12 am

    I don’t see the update for IOS 9 on my iPhone 4s

  12. Jangjang

    10/22/2015 at 6:13 pm

    My Phone always hang after the update..Huhuhu

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