[Ultimate Guide] How to Fix iOS 18 Wifi Issues

by Sophie Green   Updated on 2024-09-03 / Update for  iOS 18

iPhone users have reported Wifi issues after updating to the iOS 18. Even though it’s the biggest update of 2024, it’s prone to the bugs and glitches that users face. Some users complained about repeated disconnections, such as the Wi-Fi not connecting, poor speed, etc. Fortunately, various troubleshooting methods have been proven to fix these issues. This article will explain how to fix the iOS 18 wifi issues.

Part 1. Why is My Wi-Fi Not Working on iOS 18?

There can be various reasons why the iOS 18 wifi is not working on the iOS. If you’re facing wifi issues on your iPhone after the iOS 18 update, then it could be the iOS 18 bugs & glitches interfering with the normal functionality of the Wifi.

Besides bugs and glitches, misconfigured settings, router settings, or issues with the router can cause Wi-Fi issues. It’s difficult to identify the exact reason for the iOS 18 Wi-Fi not working issues, but they have occurred after updating to iOS 18, so it could be bugs or glitches.

Part 2. How to Fix iOS 18 Wifi Issues?

Method 1. Restart Wi-Fi Router

Wi-Fi routers have a certain range within which they can provide a stable internet connection on your iPhone. You'll face connectivity issues if your iPhone isn’t within the Wi-Fi range. Move closer to the Wi-Fi router and check the signal strength status bar.

If the signal strength is good on your iPhone but still has Wi-Fi issues, try restarting the router. Sometimes, a Wi-Fi router just needs a simple restart to restore internet connectivity. You can restart the router by turning off the power and waiting a few minutes before turning it on.

Method 2. Forget Wi-Fi and Reconnect

One common reason behind iOS 18 Wi-Fi issues is the misconfiguration of the saved network on the device. This can be restored by simply forgetting the Wi-Fi connection and reconnecting. But for that, you'll need to re-enter the Wi-Fi password. Make sure you have it before you proceed to forget the saved Wi-Fi connection on your iPhone.

Steps to forget Wi-Fi on iPhone iOS 18:

  • Go to the Settings app, and tap on Wifi.
  • Locate your Wifi connection and tap on the icon next to it.
  • Tap on forget this network option and confirm.
  • Now, tap on your Wifi network and reconnect your iPhone.

Method 3. Force Restart iPhone

One of the simplest ways to deal with the iOS issues on the iPhone is to force restart. It helps reconfigure the settings on the iPhone and clean the junk & cache memory, which sometimes interferes with the device's normal functionality.

Force restart is just like a simple restart on an iPhone that doesn’t cause any data loss. It’s an advanced way of restarting an iPhone when it’s not responding or having critical issues. Here’s how you can force restart an iPhone:

  • Press and release the Volume Up button, then quickly repeat it with the Volume Down button.
  • Press and hold the Power/Side button until you see an Apple logo on the screen.
  • Release the power button and let the device restart.
Restart iphone

Method 4. Disconnect from VPN

If your iPhone shows a strong Wi-Fi signal but still has unstable internet speed, it could be that it is connected to a VPN. A VPN connection has many benefits, like protecting your IP address, but it can also slow your internet connection.

To check if your iPhone is connected to a VPN, follow the steps below:

  • Go to Settings and locate the VPN option.
  • Turn off the VPN toggle.
  • Go to the browser and perform an online internet speed test.

Method 5. Fix iOS 18 Wifi Issues via Professional Tool

If none of the above methods fixed the iOS 18 Wi-Fi problems, then it could be the iOS bugs and glitches in the OS interfering with the Wi-Fi functionality. An efficient way to eliminate the iOS 18 bugs or glitches is via a professional tool—Tenorshare ReiBoot.

It’s designed to help iPhone/iPad users fix iOS-related issues with a one-click process. Whether your iPhone is struggling with the Wifi, stuck on the Apple logo, or the iPhone black screen, it can resolve 150+ iPhone critical issues.

Here’s how to fix ios 18 network and wifi issues via Tenorshare ReiBoot:

  • After installing the Tenorshare ReiBoot on your computer, launch it. Click on the Start Repair option, and connect your iPhone to the computer using a compatible cable.

    launch reiboot
  • Choose the Standard Repair option, then click on Standard Repair.

    fix with reiboot
  • Once the program detects your iPhone, it will suggest a required firmware package to download for the repair process. Click on the Download button to initiate the downloading process.

    fix with reiboot
  • Wait for the progress bar to complete, and don’t interrupt it. Your iPhone will automatically restart once the repair process is completed.

    repair successfully

Method 6. Reset Network Settings

Another simple fix for the iOS 18 not connecting to Wifi is resetting the network settings on the iPhone. Resetting the network settings on the iPhone will delete all the saved Wifi passwords and VPN Profiles. Following are the steps to reset network settings on iPhone:

  • Launch the Settings app, and tap on General.
  • Tap on Transfer & Reset iPhone.
  • Select Reset Network Setting, then enter the passcode.
  • Follow the onscreen instructions to reset the network settings.
reset network settings

Method 7. Wait for Next iOS Update

If none of the above fixes resolve the iOS 18 Wi-Fi issues on your iPhone, then there’s a possibility your iPhone will be affected by critical bugs interfering with the Wi-Fi functionality. A wise decision would be waiting for the next iOS update. Apple usually squashes bugs and issues like this in future updates. Check the software update section regularly on your iPhone for future iOS updates.

Conclusion

If you’re an early user of iOS 18 who has just updated their iPhones, you’re likely to face the iOS 18 wifi issues. This is because the programs are mostly in the testing phase and contain bugs and glitches, which are supposed to be fixed in future updates.

An efficient way to deal with such issues and bugs on the iPhone is via Tenorshare ReiBoot. It’s a professional tool that offers a one-click solution to fix iOS 18 wifi not working and other iOS 18 issues effectively.