- On your iPhone, open the Settings app and click [your name].
- Tap Sign Out at the bottom of the page.
- Tap on Turn Off after entering your Apple ID password.
- You will receive a message stating that all your photos and documents in iCloud will be deleted.
- To sign out, tap Sign Out > Tap Sign Out again.
Fix 4: Reset Network Settings
You may need to reset your network settings if the App Store is not downloading iOS 15 because of a network issue. This will restore your network settings to default. This issue might also be caused by some changes you have made to your iPhone network settings.
- Go to Settings > General.
- Click Reset > Reset Network Settings.
- If you have set a passcode, enter it.
- Once you see the message on the screen, click again on the Reset Network Settings option.
- You will be able to reset your network settings within a few minutes.
Fix 5: Reset All Settings
Your iPhone/iPad can be reset easily by selecting Reset All Settings. In general, it resets all your device’s settings and puts them in default mode, so all of your apps and other functions work smoothly. In addition, it solves issues related to the iOS 17/16 App Store. Here are the steps you need to follow in order to fix iOS 15 App Store crashes on iPhone:
- Tap on General in Settings.
- To reset all settings, tap Reset > Reset All Settings
- If you have set a passcode, enter it.
- Once you see the confirmation message, tap Reset All Settings again.
Fix 6: Free up storage space
If the iPhone is full of storage, the reason why apps cannot be downloaded and updated might be caused by this. Even if you have downloaded the apps successfully, you will not be able to install them if the storage left is not sufficient. Small onboard storage memory users like iPhones and iPads with 16GB, 32GB, and 64GB are most likely to experience this issue.
Your iPhone’s storage can be viewed by going to Settings > General > iPhone Storage. On your iPhone, you can see how much space each app has taken up by scrolling down. When your iPhone is full, you can delete some useless or unwanted files to make space for more Apps and try downloading or installing them again.
Fix 7: Set Automatically Date & Time
Some users find this very useful even though it is hard to explain why it can fix the problem of “iPhone won’t download apps”. When you download apps from Apple’s servers, your iPhone makes several checks, including checking the time and date. On an iPhone or iPad running iOS 13/14, you might be able to reinstall the application if you change the date and time.
In the Settings menu, go to General > Date & Time, and toggle Set Automatically on. Sync your iPhone with iTunes and download apps It might be a good idea to try downloading apps and syncing them with iTunes if the iPhone has trouble downloading or updating apps. It is sometimes possible to kickstart stuck app downloads or make them terminate themselves by syncing your purchases between iTunes and your iPhone or iPad.
- Make sure your Mac or PC has the latest version of iTunes. On the screen, click Apple Store.
- To download and install an app on your iPhone or iPad, click the ‘Get‘ button and enter your Apple ID and password.
- Open iTunes after successfully downloading the app on your iOS device by connecting it to your Mac or PC with a USB cable. On your iOS 17 or later device, click on ‘Apps‘ in the left tab and tap ‘install’ next to the app you wish to download.
Fix 8: Disable FaceTime and iMessage
When you use FaceTime and iMessage, your App Store ID is automatically linked, so even if you aren’t using them, your account information is required. So, either of the two apps can be causing the verification error in the App Store. You might be able to resolve the error by disabling and reenabling FaceTime and iMessage.
Enable and disable FaceTime.
- Scroll down to FaceTime in Settings.
- Turn off the FaceTime switch.
- Before enabling FaceTime, wait a few seconds. It is possible that you will be asked for your Apple ID and password.
Enable and disable iMessage.
- Go to Settings, then scroll down to Messages.
- You can turn off iMessage by sliding the toggle switch next to it.
- To turn it on, slide the switch again a few seconds later. It is possible that you will be asked to enter your Apple ID credentials.
Fix 8: Try Updating iOS
It is common for iOS updates to resolve software bugs. There may be a bug in the iOS that prevents your iPhone from downloading apps at the moment. It may be easier and quicker to resolve the issue with an OS update.
- Connect your iPhone to a power source.
- Using Wi-Fi, connect to the internet.
- Click Settings > General, then Software Update.
- You can install either software update by pressing Install Now if there are two options.
Sum Up
So, that’s how you can easily fix the App Store Not Working / Not Downloading Apps on iPhone 15 Series issue. Hopefully, this guide has been helpful to you. As a temporary measure, if you need more information, please comment below.