6 Reasons Not to Install iOS 11.3.1 & 11 Reasons You Should

Apple’s iOS 11.3.1 update is a small maintenance upgrade, but it could have a significant impact on your device’s performance. While most of you should install the iOS 11.3.1 update today, others might benefit from waiting a few more hours, a few more days, or even a few weeks.

iOS 11.3.1 is yet another bug fix release for iOS 11 and Apple’s latest delivers a collection of important fixes and security patches for potential exploits.

The iOS 11.3.1 update is a tiny download for all iPhone, iPad, and iPod touch models. If you’re coming from iOS 11.3, the update is just a few megabytes. It’s just 49.5MB for the iPhone X.

Your iOS 11.3.1 update will be much larger if you skipped iOS 11.0, iOS 11.0.1, iOS 11.0.2, iOS 11.0.3, iOS 11.1, iOS 11.1.1, iOS 11.1.2, iOS 11.2, iOS 11.2.1, iOS 11.2.2, iOS 11.2.5, iOS 11.2.6, or iOS 11.3. The fixes and features from those updates are baked into your version of iOS 11.3.1.

iOS 11.3.1 is a maintenance update, but small bug fix upgrades can have tremendous impact on your device’s performance. Some of you will see a boost, but many others will encounter performance issues. In fact, iOS 11.3.1 is causing numerous problems for iPhone and iPad users including a major issue on iPhone 7.

If iOS 11.3.1 starts causing problems on your device, you’re on your own until Apple rolls out the next version of iOS 11.

Apple’s stopped signing off on iOS 11.3 which means all downgrade options are now closed. This puts a greater importance on your move to iOS 11.3.1. Once you move you’re stuck there until Apple releases a new version of iOS 11.

There are plenty of reasons to consider installing iOS 11.3.1 right now. That said, there are also some reasons why you might want to temporarily hold off on an installation.

If you’re on the fence about upgrading your iPhone, iPad or iPod touch to the latest version of iOS, allow us to walk you through the best reasons to, and not to, install it right now.

Install iOS 11.3.1 for Better Security

Install iOS 11.3.1 for Better Security

Apple's iOS 11.3.1 update comes with four known security patches for all iPhone, iPad, and iPod touch models capable of running iOS 11. 

If you skipped iOS 11.3, your iOS 11.3.1 update comes with 27 additional patches for potential exploits. Those of you lingering on iOS 11.2.6 would be wise to make the move sooner rather than later. 

If you missed iOS 11.3, your iOS 11.3.1 update also includes a new privacy feature. When an Apple feature wants to use your personal information, an icon now appears with a link to access detailed information about how your data will be used and protected.

If you're running iOS 11.2.5 or older, you're exposed to an issue that lets people send a specific character that will crash an iOS-powered device and block access to the Messages app. It can also block apps like Facebook Messenger, Gmail, Outlook, and WhatsApp.

The iOS 11.2.6 update's main purpose was to patch up this issue. If you skipped iOS 11.2.6, you'll get these enhancements with iOS 11.3.1.

If you skipped iOS 11.2.5, you'll get 10 additional security patches including one for the malicious chaiOS link exploit.

If you're running iOS 11.2.2 or below and receive a certain GitHub link through your Messages app, your iPhone or iPad can lockup or respring. The Messages app will also become unusable.

If you're on iOS 11.2.1, your iOS 11.3.1 update includes security improvements to Safari and WebKit to mitigate the effects of Spectre. If you're running an older version of iOS, your iOS 11.3.1 update will come with a lot more.

Apple's iOS 11.2 update fixed several problems, but it also brought problems of its own including a potentially nasty zero-day iOS HomeKit vulnerability.

The vulnerability, discovered by Tian Zhang, allowed for unauthorized control of HomeKit accessories including garage door openers and smart locks.

Apple quickly rolled out a server-side fix, but the company restored full functionality with the release of iOS 11.2.1. If you skipped iOS 11.2.1 and use HomeKit, you should download iOS 11.3.

If you skipped iOS 11.2, you'll get a few more patches with your iOS 11.3.1 update. Apple's iOS 11.2 update delivered 11 patches including one for Mail and one for Wi-Fi.

The iOS 11.2 and iOS 11.2.1 updates also patched up a widespread security issue called "Meltdown." Apple says its analysis suggests it "has the most potential to be exploited."

Meltdown affects all iOS 11 powered devices so we highly recommend downloading iOS 11.3.1 if you skipped iOS 11.2. 

If you skipped iOS 11.1.2, iOS 11.1.1, and iOS 11.1, you'll get additional patches with your iOS 11.3.1 update. 

The iOS 11.1 update delivered eight security patches including a fix for a serious Wi-Fi vulnerability called KRACK or Key Reinstallation Attack. KRACK is an exploit that targets the common WPA2 encryption protocol.

If you're just now making to move from iOS 10 (or whatever you're on) to iOS 11, your iOS 11.3.1 update will come with even more security features.

Apple's first iOS 11 update delivered several patches for potential exploits. iOS 11 also comes with new security features aimed at keeping your data safe

In iOS 11 you can't establish trust with a PC using fingerprints alone. You'll also need to put in a full passcode in order to gain that trust.

If you skipped older versions of iOS, your iOS 11.3.1 update will come with an even longer list of security patches.

Apple's iOS 10.3.3 update delivered 24 security patches addressing potential issues with Contacts, Messages, Notifications, and Safari. It also included a patch for a potentially dangerous Wi-Fi exploit called "Broadpwn."

If you skipped iOS 10.3.2 you'll get 23 additional patches with iOS 11.3.1. And if for some reason you missed iOS 10.3, you'll get 60 security patches with your iOS 11.3.1 update.

If you want to protect the data you store on your iPhone, iPad, or iPod touch, you should make your move to iOS 11 and iOS 11.3.1 soon.

This is particularly important for those of you running older versions of iOS.


  1. […] new operating system comes with a number of improvements but some iPhone and iPad users are reporting installation problems, severe battery drain, Wi-Fi […]


    • bruce boyle

      09/22/2017 at 8:12 pm

      DO NOT install ios 11! It is a giant step for Apple but a HUGE step back for phone users.
      The most annoying thing is that you no longer can check your voicemail directly you have to CALL AND LOG IN TO iToons. (Can you spell ads.)

      The whole ios 11 system is a giant money grab by Apple. Much as I resent Google’s android I may have to go back to it.
      What we really need is an alternative provider (available in the rest of the world but not here). This is no longer “the land of the free.”


    • William Miller

      11/13/2017 at 10:12 pm

      (double tapping the home button to bring down the top portion of the screen so it’s easily accessible with one hand) I thought this handy function was to show what apps. I have open, and to close if I like. At least that’s what it does on my iPhone 5s running iOS 10.3.3. What are you talking about?



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  2. […] 4 Reasons Not to Install iOS 11 & 9 Reasons You Should […]


  3. […] iOS 11 update is finally out of beta and it’s now available for the iPhone, iPad, and iPod touch ahead of […]


  4. Pook

    09/20/2017 at 3:32 am

    You actually MUST wait if you’re out of your country.
    I travelled from the US to Ireland and got an update that I wasn’t supposed to get because they do everything by location! Thank goodness it wasn’t bad, but be careful, you can fall into that trap! Maybe because Jony Ive is from the U.K., they get updates first! All I know is I got 10.3.2 before anyone else!!! :)


  5. […] iOS 11.0 update is loaded with new features for the iPhone, iPad, and iPod touch though a few highly anticipated features are missing from the […]


  6. […] iPhone 5 won’t get Apple’s new iOS 11 update and that puts the spotlight on iOS […]


  7. […] much of the feedback is good, some iPhone 8 users are reporting issues with their hardware and the iOS 11 software that powers the two devices. We expect the list of problems to grow as more iPhone 8 orders […]


  8. […] you need additional feedback about iOS 11, take a look at our reasons to, and not to, install the iOS 11 update on your device right […]


  9. […] The iPhone 6s iOS 11.0.1 update is a bug fix update that fixes some of the early problems with Apple’s new operating system. If you’re dealing with Outlook and Exchange issues on iOS 11.0, consider downloading iOS 11.0.1. […]


  10. […] now, iPhone and iPad users must contend with iOS 11.0.1, a small bug fix update that delivers fixes for Exchange problems but also brings some problems of […]


  11. […] you need additional feedback about iOS 11.0.2 and iOS 11, take a look at our reasons to, and not to, install the iOS 11 update on your device right […]


  12. […] new iOS 11.0.2 update can be a pretty sizable download but it shouldn’t take you too long if you’ve done the […]


  13. […] you’re running iOS 11.0 or iOS 11.0.1 and you’re noticing performance issues, try installing the iOS 11.0.2 update and see if that […]


  14. […] If you own an iPhone 8 or iPhone 8 Plus and you’ve heard audible crackling sounds, be sure to download iOS 11.0.2. It fixes these […]


  15. […] iOS 11.0.2 fixes a bug that could cause photos to become hidden and an issue where attachments in S/MIME encrypted emails would not open. iPhone 7 users dealing with these problems should probably download iOS 11.0.2 right now. […]


  16. […] you need additional feedback about iOS 11.0.3 and iOS 11, take a look at our reasons to, and not to, install the iOS 11 update on your device right […]


  17. How to Fix Bad iOS 11 Battery Life

    10/11/2017 at 12:35 pm

    […] If you’re having issues on iOS 11.0, iOS 11.0.1, or iOS 11.0.2, try downloading the iOS 11.0.3 update. […]


  18. […] are extremely common. We’re seeing complaints about sound issues (the company’s iOS 11.0.2 update fixed some problems, but we can continue to see complaints), wonky battery life, problems with Bluetooth, 3D Touch […]


  19. […] The current version of iOS 11 is iOS 11.0.2. iOS 11.0.2 doesn’t come with any new features or security patches (assuming you’re coming to it from iOS 11.0.1) but it does deliver a few bug fixes including a fix for a bug that caused photos to become hidden. If you noticed that issue on your device, you’ll probably want to download iOS 11.0.2. […]


  20. […] refined its software with bug fixes and patches, but iOS 11.0.3, the company’s most recent upgrade, is causing problems for many iPhone 7 […]


  21. Aero

    10/20/2017 at 11:21 am

    Siri is so irritating. The translation feature has a funny example–exactly why this kind of translating often gets it wrong. “Where is the bathroom?” is literally translated. The place someone would point out for you would have nothing to do with a toilet. It would be a place to take a bath.


  22. John Akana

    10/30/2017 at 1:37 pm

    I can’t get any connection on my network or even you tube is so freakin slow or even my Facebook.


  23. Julia Faulkner

    10/30/2017 at 6:41 pm

    I cannot get on WiFi. Tried all suggestions iPad mini 2


  24. John

    11/06/2017 at 4:13 am

    New emojis????? That’s all you care about…..???????
    Why don’t you make a product that….ummm…..works properly!!!!!!!


    • Darrell

      11/08/2017 at 9:27 am

      Exactly. What a waste of time.


  25. Darrell

    11/08/2017 at 9:28 am

    Apple is more concerned about hiding off shore profits than making good products anymore. Sad.


  26. Wow

    04/27/2018 at 1:50 pm



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