How to Fix iPhone/iPad Not Connect to Network After iOS 15 Update
Along with the upgrading of the iOS 15 system, issues also come out. One of the most reported problems is the network connection. From Apple Discussion, we find that many users said that their network is not working after iOS 15. What’s worse, some of the iOS 15 iPhone/iPad has no internet connection even though it is connected to WiFi.
It’s obvious that the problem is come up with iOS 15, how to fix it?
Way 1: Disable VPN Service or Change VPN IP
From the user YOHio88(https://discussions.apple.com/thread/253175460), we find that the issue may be caused by a VPN service. To prevent the iPhone not connect to network after installing iOS 15 issue, you can try to disable VPN or change an IP address.
How to Disable VPN via iPhone Settings
To disable all VPNS, you can go to your iPhone Settings, click on General, scroll down to find VPN. Tap on it, check the VPN Configuration status and disable it.

How to Disable Norton VPN
To describe the Norton VPN as an instance, you can follow the steps:
- On your iPhone/iPad home screen, open the Norton Secure VPN app.
- Click on the connected button to disable it.

How to Change Norton VPN IP
The steps to change Norton VPN IP is also easy, please check:
- Open your Norton Secure VPN app.
- Click on the location icon at the bottom of the screen.
- You will be taken to the regions screen, select a geographic region you want from the drop-down list.

Now go back to check your iPhone or iPad network connection, it would be OK.
Way 2: Delete VPN App to Fix iPhone No Internet iOS 15
Another user M-1289(https://discussions.apple.com/thread/253165976) whom also said that his iPad Air prompted “no network connection”. Luckily, the issue has been solved by himself. And the solution is a simple uninstall of the VPN app.

It is not difficult to find that many of the iOS 15 no network connection issues are caused by VPN apps. You can choose to turn it off, change the IP location or just delete it as it is not really necessary for your iPhone or iPad.
Way 3: Check Date & Time to Solve iPad Connects WiFi But No Internet iOS 15
If you haven’t installed a VPN app on your iPhone, you can check if your date and time is correct. In some verified situations, incorrect Date, Time or Time Zone may also impact the internet connection.
To solve the no internet iOS 15 problem, please go to Settings > General > Date & Time to check if it is correct. If not, please try to revise it manually.

Way 4: Try Common Tips for iOS 15 No Network Problem
Generally, the issue should be solved via the previous method. However, if you still encountered the no internet issue after the iPadOS 15 update, there are also other normal suggestions.
- Restart your iPhone or iPad for two or three time.
- Do a hard reset to clear caches.
- Reboot your router and then connect to the WiFi again.
- Forget the WiFi, then try to enter a password to connect it again.
- Reset network settings on your iPhone or iPad.
- Perform a completely reset, however, please remember to backup your data in advance.
Way 5: Confirm Issue and Feedback to Apple
The last way to resolve the iOS 15 WiFi not working is to confirm the problem first. You can use another device that is not in the iOS 15 system to connect to the same WiFi. If the issue exists, it should be your WiFi issue.
However, if other devices are working, only the iOS 15 device has no internet, then it should have an iOS 15 system glitch. You can feedback the issue to Apple Support and wait for their solution.
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Final Words
With all the cases we have found, the most possible reason for the iOS 15 no internet connection issue is the restriction of VPN. No matter whether you are connected to WiFi or cellular data, the VPN app may impact the network. If you find other methods working, please feel free to tell us via commenting below.