By Stephanie / Last update April 7, 2022

iPhone cannot connect to App Store iOS 15

“Last night I updated my iPhone 6s Plus to iOS 15 and since then I can't use the App Store. I always get ‘Cannot Connect to App Store’. I have tried different wifi connections and tried 4G. Other apps can use the internet fine. I'm wondering if anyone else is experiencing this or has any ideas.”

Several problems have been reported by iPhone users after updating iOS 15. One of the difficulties is that some users can't connect to the App Store on iOS 15. Fortunately, several solutions to this problem have been discovered. Read on to discover a practical solution to this iOS 15 update issue of being unable to sign in to the App Store.

3 ways to fix App Store not working after iOS 15 update

App Store not working is a frequent issue that happens when the Apple server is offline or there is a difficulty with an Internet connection. Therefore you should restart your iPhone and then check the Internet. At the last, you could back up the vital iPhone data and restore your iPhone.

Method 1. Fix the Internet connection issue

iPhone users could use App Store to download wanted apps, but some are unable to log in to the App Store due to iOS update. It could be a bug in the Apple Server. You could disable and enable network connection first to check the Internet connection, and then change DNS to fix the Internet connection issue. What’s more, you could reset your network setting check the iPhone Internet connection issue could be fixed.

Steps to check the Internet connection

Step 1. Go to “Settings” > Turn on the Airplane Mode. And wait for some time to turn off the Airplane Mode.

Step 2. Tap “Settings” > “Cellular” > “Cellular Data”. Scroll down and find the App Store. Tap App Store and then tick “WLAN & Cellular Data”.

app-store-cellular-data

Steps to change DNS

Step 1. Tap “Settings” > “WLAN”.

Step 2. Tap the exclamation icon on the right side of the Wi-Fi you are using.

Step 3. Scroll down to find “Configure DNS”. Tap it and then tick “Manual”.

Step 4. Delete the current DNS. Tap “Add Server” and input 8.8.8.8, 4.2.2.2, or 114.114.114.114.

Step 5. Tap “Save” on the top right corner.

iphone-change-dns

Steps to reset network settings

Step 1. Tap “Settings” > “General” > “Transfer or Reset iPhone” > “Reset Network Settings”.

Step 2. Input your passcode and then tap “Reset Network Settings”.

iphone-network-reset

Method 2. Sign out of Apple ID

Your App Store isn't working on iOS 15 (beta) may be caused by your Apple ID. So, it's never a bad idea to sign out and then sign back in with your Apple ID on your iPhone. This approach has been found to work perfectly several times by users. You could try it.

Step 1. Tap “Settings” > [Your Name]. Scroll down and tap “Sign Out”.

Step 2. Input your Apple ID password and then tap “Turn Off”.

Step 3. Tap “Sign Out” again to confirm.

Step 4. Open App Store to download apps and sign in with your Apple ID again.

sign-out-apple-id

Method 3. Backup & Restore iPhone via iTunes

If the methods above don’t work, you could update your iPhone to the latest iOS version or downgrade iOS 15 to iOS 14 without losing data. This method could be the last resort. Keeping your data safe is the most important. Therefore, you need to make a backup of iPhone data before you update or restore iPhone via iTunes or a free iPhone backup tool-AOMEI MBackupper at a fast speed.

Steps to backup & restore iPhone

Step 1. Connect your iPhone to the computer and launch iTunes.

Step 2. Click “Back Up Now” and wait for the backup process to complete. Alternatively, you could download the freeware to back up your iPhone within simple steps.

itunes-backup

Step 3. Click “Restore” to factory reset your iPhone.

itunes-restore-iphone

The bottom line

Hopefully, you could find a suitable solution to the App Store updating and downloading problem after following the instructions of the three methods on how to solve the "why is my iPhone App Store not working after iOS 15 update" issue. No matter what problems you meet, making a regular backup is very important to keep your iPhone data safe. If the iPhone data is lost or deleted accidentally without backup, AOMEI Data Recovery for iOS could be the best choice for you.