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Published on: 10.21.2023, Updated on: 10.21.2023

iOS 16.3.1 problems. What are the Ways to Fix Them?

Apple released iOS 16.3.1, which is a small-point upgrade to its operating system. This update fixed serious security vulnerabilities and flaws. One of the major problems it fixed is preventing hackers from executing code in someone else's device through the Safari browser. However, this new update that came weeks after the iOS 16.3 update has some issues in it as well. This article discusses major iOS 16.3.1 problems, solutions, and ways to prevent them. 

Key takeaways 

iOS 16.3.1 is a much-needed update for Apple’s operating system, but it also has its share of problems. Minor software glitches cause some of those; others are serious and need immediate professional help. This article includes all the problems with iOS 16.3.1, along with ways to troubleshoot those problems and effective ways to prevent them in the future. Keep reading to find out. 

iOS 16.3.1 Overview 

The latest iOS 16.3.1 update has addressed many fixes, including one for an issue used to hack your phone. It also promises to enhance crash detection on iPhone 14 and iPhone 14 pro models. But just like any software update, it has some problems, too. Don't worry; this article will discuss all the major problems with iOS 16.3.1, their solutions, and how to prevent them in the future. 

iOS 16.3.1 is Causing Problems

While iOS 16.3.1 has introduced fixes for major security problems, it also has seemed to cause some problems for its users. Some are old problems from the previous iOS version, while others are new. Some of the problems related to updates, charging, CarPlay, battery drain, etc. 

Is iOS 16 Safe To Install Now? 

Even though iOS 16.3.1 is a small update, it includes some major security patches for your device, which you want to take advantage of. And the answer to your question is Yes! It is completely safe to install the update. Updates are generally safe and offer a lot of improvements to your device. However, to be safe, make sure to back up your data before installing it. 

Should I Update To iOS 16.3.1? 

The latest iOS 16.3.1 upgrade includes two major security patches impacting the Kernal and WebKit. Given these security issues' severity, we recommended that all iOS users update it as soon as possible to safeguard against the security threat. The new update may have some minor bugs, but we have provided solutions for those in this article. Security matters more than minor bugs, so update to iOS 16.3.1. 

Why Do Those Problems Occur? 

Before we dive into the types of problems the latest iOS 16.3.1 update has, let us discuss why these problems occur in the first place. Here are some of the reasons that cause problems with the latest update. 

  • iOS 16.3.1, like any other iOS update, has bugs that cause stability problems. 
  •  An old version of a phone can sometimes not handle the latest update. It can cause performance problems. 
  • If you are using an unstable internet connection, it can interrupt the installation process and lead to update errors.  
  • Certain applications may not be compatible with the latest iOS 16.3.1 update. This compatibility problem can cause the app to crash and cause more problems.  
  • If there are some issues with your router or network configuration, it can cause Wi-Fi performance and connectivity problems. 

How To Fix iOS 16.3.1 Problems? 

Here are some of the fixes for the common iOS 16.3.1 problems. These are some simple solutions that you can do without having to call Apple Support. 

  • Let’s start the list with a simple fix. That is restarting your device. You’ll be surprised how some minor problems and performance glitches can be resolved by simply restarting your iPhone or iPad.  
  • Make sure to update all your applications to resolve compatibility issues with the latest iOS update.  
  • To solve any connectivity problems, we recommend you open your device’s settings and reset your network. 
  • If your device is slow and its performance is reducing, it would be best to clear its cache. It will help resolve performance problems in the latest iOS. 
  • Lack of storage is another major reason for causing performance-related problems. Delete the unnecessary data from your device, and you’ll notice improved performance in the update. 

iOS 16.3.1 Update Problems 

Update problems are the first on the list of problems you can encounter when you upgrade your device to iOS 16.3.1. Let's dive into why we get this problem and how to solve it. We will also explain how you can prevent this problem.  

Reasons Behind iOS 16.3.1 Update Problems 

  • The iOS 16.3.1 update comes with some minor bugs. These software bugs cause update problems for some of the users.  
  • It can be difficult to update to the new iOS using an old device. Such devices don’t have the storage or the functionality to update to the new iOS version.  
  • Another culprit can be a faulty modem or unstable internet. It prevents your device from updating and thus causing errors and connectivity issues.  
  • Some of your applications may simply be incompatible with the latest iOS version. It is also one of the reasons behind the update problems. 

How To Fix iOS 16.3.1 Update Problems? 

  • The first fix you can apply is restarting your device. This will resolve your update problem.  
  • Before you update to the new iOS version, check that all your apps are up to date. It will help to avoid any compatibility problems.  
  • In case of an unstable internet, the best approach to fix it is by resetting the networking setting on your device.  
  • If you are experiencing update problems after following the above solution, consider contacting Apple Support for professional help. 

How To Prevent iOS 16.3.1 Update Problems? 

  • Always back up your data before installing any iOS update. It is an important practice to prevent any data loss.  
  • Don’t quickly jump onto the bandwagon of updates. Wait for a little time and check for reviews. This small delay can save you from a lot of trouble. 
  • Before you update to iOS 16.3.1, verify that all the essential apps you use are compatible with the latest iOS version.  
  • Always use a fast and reliable internet connection when installing the latest iOS update.  
  • If you’re using an older version of a phone, then it would be best to check its compatibility with the iOS update.  

iOS 16.3.1 Wi-Fi Problems  

Are you experiencing Wi-Fi problems after updating to iOS 16.3.1? Here are some of the reasons why you are having this problem, along with their solutions

Reasons Behind iOS 16.3.1 Wi-Fi Problems

  • Your Wi-Fi setting might have changed while updating to the latest iOS version. 
  • Damaged router or network problems can also cause Wi-Fi problems on your device. 
  • Another possible reason can be that the new iOS update has some bugs that are causing Wi-Fi problems. 

How To Fix iOS 16.3.1 Wi-Fi Problems? 

  • Simply restart your device or your router. If it's a minor glitch, it will be solved.  
  • Open the settings on your device and look for the Wi-Fi network. Select it and tap on the "Forget This Network" option. After that, enter your password again. Your Wi-Fi should work fine now. 
  • Reset your device's networking setting if you're still experiencing Wi-Fi problems.  
  • Make sure your router is correctly configured. If not, contact your internet provider and request them to fix this problem.  
  • Turn on "Airplane Mode" for a little while. It will help fix the Wi-Fi problems.
  • Check if the router's firmware is up-to-date. Using an older version of firmware will cause compatibility problems with the new iOS update.  

How To Prevent iOS 16.3.1 Wi-Fi Problems? 

  • Always use a stable Wi-Fi connection for installing the iOS updates. 
  • Turn off your device's "Auto-Join" feature so it doesn't connect to problematic networks.  
  • Make sure to use a trusted VPN if you use public Wi-Fi networks. VPN encrypts the internet connection and keeps your device secure.   

iOS 16.3.1 Problems


iOS 16.3.1 CarPlay Problem 

Apple CarPlay is an excellent way to have entertainment while driving. But with the iOS 16.3.1 update, some users are experiencing USB connectivity problems and more. Let’s address some of these problems and their solutions. 

Reasons Behind iOS 16.3.1 CarPlay Problems 

  • One of the reasons could be that your car model is incompatible with CarPlay.  
  • There may be some software glitches in the iOS update, which causes connectivity issues with CarPlay. 
  • Users report that this issue only happens when connecting their devices through a USB cable. Using a faulty cable can also be causing this problem. 
  • The USB port you are using could be damaged.  

How To Fix iOS 16.3.1 CarPlay Problems? 

  • The first thing you need to do is check your car’s compatibility with the iOS version. Certain car models do not support iOS 16.3.1.  
  • Check for any damage to your USB cable. Always purchase your cables from an Apple Store.  
  • To fix the problem immediately, reboot your device to reset its connection with CarPlay.  
  • Try changing the USB port. If there is some issue with the port, changing it will solve the connectivity issue. 
  • If none of the steps works, contact your car dealership for support. 

How To Prevent iOS 16.3.1 CarPlay Problems? 

  • Keep your car system up-to-date so that when you update iOS, it reduces the risk of compatibility problems.  
  • Use a quality USB cable that is purchased from an Apple store.  
  • Consider switching to wireless CarPlay. The main cause of CarPlay issues is USB cables. Removing it will resolve the problem.  

iOS 16.3.1 Battery Drain 

While iOS 16.3.1 has resolved many issues, it has brought back the battery drain bug. To fix this problem, you can follow these steps. 

Reasons Behind iOS 16.3.1 Battery Drain Problems 

  • You have too many apps running in the background. These apps increase your device's power usage, causing the battery to drop fast.  
  • The battery will quickly drain if you have enabled your device's "Auto brightness" feature. 
  • It could be a software bug in the iOS update that consumes more power. 
  • Your device's battery life is low, which became prominent after the iOS update. 

How To Fix iOS 16.3.1 Battery Drain Problems? 

  • Check which apps are consuming the most battery. Go to “Settings” and “Battery” to evaluate your apps. 
  • Turn off the “Auto-Brightness” feature, and don’t set the brightness to the highest level. 
  • Disable all the unnecessary apps running in the background. It will significantly impact your device’s battery. 
  • Check your device’s battery health. If it’s low, you must purchase a new battery from Apple Store.

 How To Prevent iOS 16.3.1 Battery Drain Problems? 

  • Open your device settings and enable the "Optimized Battery Charging” feature. 
  • Keep an eye on battery usage and delete or manage any app that is consuming more battery power.
  • Manually update your screen’s brightness according to your needs. Avoid enabling the “Auto-brightness” feature. 
  • Don’t use your device in extremely hot temperatures because it impacts its battery too.

 iOS 16.3.1 Charging Issues 

Many users are noticing charging issues with the latest iOS 16.3.1 update. Let us discuss those issues and their solutions. 

Reasons Behind iOS 16.3.1 Charging Issues 

  • One of the reasons could be that your charging cable or adaptor is damaged.  
  • It could also be a software bug requiring you to reboot or factory reset your device.  
  • There could be dirt stuck in the charging port of your device.  
  • There may be an issue with the power outlet where you plug your device.  

How To Fix iOS 16.3.1 Charging Issues? 

  • Do the simplest step first, and that is restart your device.  
  • If the charging cable is damaged, consider buying a new one from an Apple Store.  
  • Carefully clean your device's charging port. The issue will be resolved if it is caused by dirt.  
  • Try plugging your charger into a different outlet.  
  • Contact Apple support if none of the given solutions work.  

How To Prevent iOS 16.3.1 Charging Issues?

  •  Always use authentic and Apple-certified chargers.  
  • Don't overcharge your device. Overcharging frequently will damage its battery.
  • Put your device on a flat and stable surface. If your device falls while connected to the charging cable, it will severely damage the charging port. 

How To Prevent iOS 16.3.1 Problems


iOS 16.3.1 Facetime Issues 

There could be many reasons why Apple’s official app, “Facetime” won’t work. However, many users have started experiencing this issue after the iOS 16.3.1 update. Let's discuss this further. 

Reasons Behind iOS 16.3.1 Facetime Issues 

  • One of the reasons FaceTime isn’t working is that it isn’t turned on.  
  • You have an unstable internet connection, preventing this app from opening. 
  • A bug in the new iOS update is causing FaceTime issues.  
  • You have selected Restricted mode in your device privacy settings.  

How To Fix iOS 16.3.1 Facetime Issues? 

  • You can restart the FaceTime app if the problems occur during a call.  
  • Restart your device. If a software glitch causes the problem, it will resolve.  
  • It is best to have a fast and stable internet connection while using FaceTime.  
  • Go to “Settings” and then “Privacy.” Enable all permissions so the app can run smoothly.  
  • If FaceTime still won’t work, then reset its network settings. It will solve the issue.  

How To Prevent iOS 16.3.1 Facetime Issues?

Always use a strong internet connection when you are using FaceTime. Wi-Fi is more stable than cellular data, so use that when Facetiming.  

  • Regularly remove the built-up cache, speeding up your device and FaceTime.  
  • Using a VPN can also affect FaceTime performance, so be cautious while using it.  
  • Remember to keep FaceTime and all the applications associated with it up-to-date. These updates address the app issues and bugs.  

How To Prevent iOS 16.3.1 Problems?

Every software update is prone to the occasional glitches and bugs. iOS 16.3.1 is a minor update to the previous version. Here is a list of ways you can prevent problems in this update.  

  • Regularly back up your data on iCloud so that your data remains secure in case of any problem. 
  • Whenever a new update comes, wait for the initial reviews before updating your device.  
  • Certain Applications are not compatible with the new iOS update. Make sure to keep those apps up-to-date as well.  
  • Your device will perform its best when connected to a fast and stable internet. Avoid public and slow internet.  
  • Keep your phone clear from all the piled-up cache. Clear it regularly, delete apps you don’t use, and just run in the background.  
  • If your device doesn’t work due to any problem, you can try restarting it. 90% of the time, the problem is resolved in this way.  
  • Lastly, contact Apple support immediately if your device has a serious problem.  


The latest update is good for your phone, but you may experience some problems. Remember to keep your device up-to-date to enjoy the best iOS experience. And if you still face the issues mentioned in this article after following the steps, it’s recommended to take your device to a repair store like Simply Fixable.





Author: Madiha Khadim

LinkedIn: Madiha Khadim

Tech Writer | Photographer

Madi is a dynamic tech writer with a passion for simplifying complex concepts. Her expertise lies in creating clear and concise guides, blogs, manuals, and tutorials that empower users to navigate the technological landscape with ease. Throughout her career, Madi has worked with numerous leading tech companies, collaborating with engineers, developers, designers and marketers to create user manuals, FAQs, troubleshooting guides, and tech articles, on the websites such as "Technology Castle" and "Bilzimo". She can transform intricate technical jargon into user-friendly language, empowering users to understand and utilize products effectively.





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