7 Tips to Resolve WiFi Disconnects When iPhone is Locked in iOS 14/13

Not long ago, iPhone users often found the problem of "WiFi disconnects when iPhone is locked". Later, the official version of iOS 14 is released for this problem. Most users thought that this error would never happen again. However, problem existed stilly, then what is going on?

In fact, most of us are really confused when we have the problem like this. And we may have the altitude of anything goes due to busy learning and working. However, we still need to take measures to stop this WiFi disconnects when iPhone is locked issue.

1. Forget and Re-join WiFi Network

In our experience, any WiFi network connection problems can be resolved by forgetting and rejoining the WiFi network.

Step 1. Firstly, click on Settings > WiFi. In the wireless LAN interface, click the "i" icon behind the WiFi name.

Step 2. Then click "Forget This Network". In the pop-up of "Forget WiFi Network" interface, click to "Forget".

Step 3. Go back to the WiFi network interface, re-click the name of the WiFi network you want to connect to, and then enter the correct WiFi password to connect.

forget this network

After successful connection, lock your iPhone and check whether WiFi will still disconnect.

2. Disable Wi-Fi Networking Services

It is proven that the WiFi disconnects when iPhone is locked problem could also be eliminated by turning off the option of Wi-Fi networking services.

Step 1. Open the Settings app on your iPhone and click on "Privacy".

Step 2. Hit on "Location Services" and then "System Services" to toggle off "Wi-Fi Networking".

disable wifi networking

3. Disable VPN from iPhone Settings

The WiFi connection on iPhone may be unstable when VPN feature is enabled. Therefore, you may need to turn off this feature to see if it is woking to salve this WiFi disconnects when iPhone is locked problem.

On your iPhone Settings interface, find the settings of VPN and toggle it off if it is on.

disabled vpn from iphone setting

4. Turn Off Wi-Fi Assist

With Wi-Fi Assist, the iPhone can still be connected to the Internet even if the Wi-Fi signal is poor. However, we heard from our users that the WiFi issue we discuss in this post could be removed by turning off the Wi-Fi assist.

Step 1. Click on "Cellular" on the iPhone settings interface.

Step 2. Find the option of "Wi-Fi Assist" and toggle to turn it off.

turn off wifi assist

5. Reset Network Settings

There may be some problems with the iPhone system if the WiFi still disconnects when iPhone is locked. You can solve this problem by retting the iPhone network settings.

Go to Settings > General > Reset > Reset Network Settings to reset the iPhone's network. You can rest assured that this network reset will not erase the iPhone's data, but some WiFi passwords stored on the phone will to be reset. Wait for the system to restore and reboot, then try to connect to the WiFi network to see if the WiFi connection is normal.

reset network settings

6. The Best Way to Fix WiFi Disconnects When iPhone is Locked

If the issue is not hardware related, then it will be quite simple resolve the software related issue by reading this part.

It is understandably that you wish to have this WiFi issue fixed within the shortest time. The recommended effective and faster way to fix this wifi issue is using FoneGeek iOS System Recovery. All the iOS related and software related problems can be settled with this software.

  • Exclusive skills and technology are used to fix any stubborn problems without deleting or modifying your iPhone data.

  • Well-known sites have given positive reviews to our software, just like PC World, PC Advisor, etc. So it is very safe to use.

  • With easy-to-understand interface, you can easily use this software without asking other person for help.

  • It is workable for all iOS deviceS and all iOS versions, including the latest iPhone 12/11 and iOS 14. 


Simply follow the steps below to fix iPhone WiFi turns off when locked:

Step 1. Download and install iOS System Recovery on your laptop or computer, then run it and click on "Repair Operating System" on the main window.

connect ios device

Step 2. Connect the iPhone that has the WiFi disconnect issue. If prompted, you need to follow the steps on the screen to get your iPhone into recovery or dfu mode. The firmware files of different iOS versions that match the iPhone will be shown in the newt window. Choose the firmware that matches the device most and click on "Download".

download firmware

The firmware will soon be downloaded to fix your iPhone. After downloaded the firmware, the WiFi problem on the device will be fixed.


7. Check WiFi Router

Sometimes, when the WiFi router is used for a long time, the WiFi will disconnect when iPhone is locked. In this case, you can check if there is anything wrong with the router.

There is a factory reset button at the back of the WiFi router. Just long press this button to reset the wifi router.

After the WiFi router is reset, enter the broadband account and password to see if it works for you.

Bonus Tip: How to Keep WiFi on When iPhone is Locked

  • Adjust iPhone settings: Turn off the WiFi LAN assistant and the Low Battery mode.

  • Hotspot selection: Avoid to connect the WiFi network in public area. It is better to connect encrypted hotspots.

The above is the entire content of this article, I hope that this post will be helpful for you. If you have other questions, you can leave a message below.


By Fay J. Melton

Posted on Aug 08, 2019, 22:11:52

Fay J. Melton has explored the area of technology and software for more than 5 years and he is enthusiastic about helping users solve various technology issues.