How to Fix iPhone Keeps Dropping WiFi After iOS 12 Update

05/07/2019 Posted by FoneGeek

iPhone Keeps Dropping WiFi

“My WiFi is not working correctly since I updated my iPhone X to iOS 12. The iPhone keeps disconnecting from WiFi. I tried to turn off the WiFi and then turn on again, but the problem persists. Can anybody help to solve?”

iPhone keeps dropping WiFi is a common problem mentioned by many iPhone users. Their iPhone disconnects from WiFi network frequently and they don't know why but have to reconnect them manually. This is very annoying. If you are facing the same problem, read this post and you will find a way that works you out.

Part 1. Check Your WiFi Router 

The first thing you should check is your WiFi router connection. Check if your WiFi router is working well with signs of life and LED lights blinking. If there is something wrong, turn off the router, wait for about 5 minutes and then turn on again. When necessary, try different bandwidths or channels. If it doesn't work, try next method to fix your iPhone keeps losing WiFi signal issue. 

Part 2. Turn Off WiFi and Airplane Mode then On Again

Another simple method is to turn off WiFi And Airplane mode and on again. Usually it can solve a simple WiFi issue. You can finish this operation on the Control Panel. Just turn off the WiFi switch, wait for 2 minutes and turn on again, then repeat with the Airplane switch.

Part 3. Forget Wi-Fi Network then Rejoin

Sometimes your iPhone is no longer connected to WiFi network but you just don't recognize it. In this case, you will need to forget your WiFi network and reconnect to it again. Here's how to do:

  1. Go to Settings > WiFi on your iPhone.
  2. Tap the (i) icon next to the name of the WiFi network you connected.
  3. Tap Forget This Network, and confirm again by tapping on Forget option.
  4. Now you can connect to the WiFi again with the password.

Forget This Network on iPhone

Part 4. Force Restart Your iPhone

No matter what problem occurs on the phone, force restart would be the most common choice. If you are facing the issue of WiFi keeps dropping after iOS 12 update, you might fix the problem just by force restarting your device. Since turning off your iPhone allows all of its programs to shut down and start fresh when you turn your iPhone back on.

Part 5. Reset Network Settings

Resetting the network settings on your iPhone can help to fix a lot of different types of software issues with the network, including iPhone/iPad keeps dropping wifi. But it also erases all of its Wi-Fi, Bluetooth, Cellular, and VPN settings and restores them to factory defaults. This means you'll have to reenter Wi-Fi passwords, reconnect your Bluetooth devices, and set up your VPN again if you have one. So make sure you have backed up your network settings in case of data loss. Below are steps to reset your network settings.

  1. Go to Settings > General > Reset on your iPhone.
  2. Tap where it says Reset Network Settings.
  3. Type in your password if asked, and confirm to reset.

Reset iPhone Network Connection

Part 6. Change or Open DNS

When all above methods fail to fix your iPhone keeps losing WiFi issue, and everything else on your iPhone seems normal, there might be a DNS issue with the ISP. So you will need to change the DNS to Google or open DNS Settings. 

  1. Go to Settings > WiFi on your iPhone.
  2. Tap the (i) icon next to the name of the WiFi network you connected.
  3. Tap on the DNS option to edit the DNS and enter the new one.
  4. Input the Google's DNS (numbers 8.8.8.8 or 8.8.4.4) or open DNS (208.67.222.222 or 208.67.222.220).

Change DNS

Part 7. Disable VPN Connection

If you have enabled VPN services on your device to overcome the externally block that imposed on your connection, then it could be the culprit that is causing problem in your WiFi, because the VPN connection interferes with your WiFi connection. Try to disable the VPN service as below:

  1. Go to your VPN app, find the Settings and disable it.
  2. If it doesn't work, go to Settings on your iPhone > General > VPN, and toggle off the Status option.

VPN Settings on iPhone

Part 8. Fix iPhone Keeps Dropping WiFi without Data Loss

If the problem still exists after you tried above methods, this might be an system issue. It is a good idea to use third-party tools to fix iPhone XS/XR/X/8/7 loses WiFi, iPhone contacts missing names after iOS 12 update, photos not uploading to iCloud. To solve this problem, FoneGeek iOS System Recovery is your best choice. It is a wonderful tool that fixes all the iOS issue of your iDevice without any data loss. Below is how it works.

Download Win Download Mac
  1. Install and launch FoneGeek iOS System Recovery on your computer. 
  2. Choose iOS System Recovery, connect your iPhone to the computer. 
  3. Proceed by following the steps on the screen to put your iPhone into DFU mode. 
  4. Click Download to install the latest firmware. 
  5. Click Start to Fix. Wait until the program is done and you can use WiFi on your iPhone again. 

iOS System Recovery

Conclusion 

In above article we share 8 methods to fix iPhone keeps dropping WiFi issue. If you encounter a WiFi problem on iOS 12, just try those methods. If the problem is still not solved, or you have further questions, please leave a message in comment, we will try to find a solution for you!

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