When Apple releases a new iOS update, it’s usually an exciting time, when iPhone users around the world embrace new features, innovative designs, and updates to Apple’s built-in services. Usually when you download and install an iOS update, you imagine that things can only improve, however, what if you notice that after installing the latest iOS update, your device slows down.

There are a few reasons why this problem can occur, with the most common being that you’ve a faulty application on your device, which is not compatible with the new software update. It may be that the specific application doesn’t meet the minimum system requirements for the new software update.

This may cause the application to slow down or not function at all on your device. It could also be that after updating to the latest iOS version, your device is now lacking storage. In order to install a new software update, you need a certain amount of storage. If all you had was enough storage to support the update, after it was installed, you likely have little to no storage left.

This would understandably slow down your iPhone or cause it to lag. There have also been reports that if you possess a relatively old model of the iPhone, downloading the latest software update might take a toll on the device. Luckily, however, there are a few things you can do in order to fix this problem. To get started, follow the instructions below,

Check and Free Storage Space on Your iPhone

Before you start deleting applications and migrating your photos, it’s best to figure out if lack of storage is what’s causing your device to slow down. In order to see how much storage you’ve available on your device, follow the instructions below,

1. Open the Settings application on your device. It has a grey background with an icon of a gear on it.

2. Tap on General.

Tap on iPhone Storage

3. Tap on iPhone Storage.


You’ll now see how your devices storage is allocated, along with how much storage you have free, if any. There will also be a RECOMMENDATIONS heading under which your device will provide you with suggestions on how you can free up storage on your iPhone. If you tap on the SHOW ALL tab, you’ll see a whole list of recommendations you can follow to free storage on your device.

If you notice that you’re low on storage, it’s best to follow these recommendations, and also migrate your photos to your laptop, delete any old messages you no longer need, and get rid of applications you no longer use.

Hard Reset the iPhone

This is usually the first call for action when there’s anything wrong with your device. By performing a hard reset you’ll be refreshing the device and its memory, which may speed up the iPhone. To perform a hard reset, follow the instructions below.

For iPhone 8 and above,

1. Press the release the Volume Up button, then press and release the Volume Down button, and then press and hold the Side button until you see the Apple logo.

For iPhone 7 and 7 Plus,

2. Press the hold the Volume Down button, along with the Power button until the Apple logo appears.

For iPhone 6/6s/6 Plus or below models,

3. Press and hold the Power button and Home button until the Apple logo appears.

After you’ve performed the hard reset, assess the speed of your iPhone.

Disable Background App Refresh and Automatic Downloads

One of the great things about the iPhone is that is takes care of your needs without you asking for help. For example, iPhone automatically refresh applications in the background. While this is usually helpful, it can also slow down your device. In order to disable background application refresh, follow the instructions below,

1. Open the Settings application on your phone. It has a grey background with an icon of a gear on it.

2. Tap on General.

Tap on Background App Refresh

3. Tap on Background App Refresh.

4. Tap again on Background App Refresh.

5. Choose Off if the setting is currently set to On.

Another feature that you’re recommended to disable in order to build the speed of your device is the Automatic Downloads feature. Automatic updates of applications tend to use a large amount of memory and ultimately, slow down your device. It’s recommended to instead update your applications manually, if and when needed. In order to disable Automatic Downloads, follow the steps below,

1. Open the Settings application on your phone. It has a grey background with an icon of a gear on it.

Tap on iTunes and App Store

2. Tap on iTunes and App Store.

Automatic Downloads

3. You’ll see a heading labeled Automatic Downloads, with a few toggle buttons underneath labeled Apps, Books & Audiobooks, Updates, and Music. Disable these toggle buttons.

Now assess the speed of your iPhone.

Delete or Update Applications Accordingly

As stated previously, it’s possible you have an application on your iPhone which isn’t compatible with the system requirements of the iOS update. For this reason, it’s imperative you update your applications.

However, using method A of this tutorial, ensure that you’ve enough space to update your applications and if you’re running low on storage, it’s best to delete applications you no longer use. If you aren’t willing to delete any applications, use the other recommendations in method A to free up storage on your device. In order to delete an application, follow the instructions below,

1. Hard Press on the application you want to delete without opening it.

2. An X will appear on the corner of all the applications you’ve downloaded.

3. Tap on the X in order to delete the application.

4. A message will pop up asking you to confirm. Tap on Delete.

In order to update your applications, follow the instructions below,

1. Open the App Store application.

2. On the lower right menu bar, tap on Updates.

Update All

3. You’ll see a list of all your applications which have updates available. You can either tap on Update All on the top of the screen or instead tap on Update one by one as you decide which applications you want to update.

After deleting unwanted applications and updating those applications you use often, assess the speed of your iPhone.

By following the methods above, your iPhone should now have improved speed and efficiency. Always be sure to back up your device as often as possible before you begin troubleshooting. This will ensure that your data won’t be lost, even if something goes wrong during the troubleshooting process.