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9 Easy and Useful Tips to Fix iPhone Won't Connect to WiFi

You are not alone if you are having issues related to wifi on iPhone. Most iPhone users are suffering from the problem about wifi connection after upgrading to iOS 16. Some users who don’t perform the update also have this wifi issue.

If your iPhone won’t connect to wifi or the wifi button greyed out for unknown reasons, you can try various tips and tricks to connect your iPhone to wifi. Before drilling down into the solutions to resolve this issue, less check the reasons why this kind of issue can occur.

Part 1. Why iPhone Won't Connect to Wifi?

When your iPhone is connected to wifi, there will be signals at the top of the device. When the correct wifi password is entered, the device will automatically connnect to wifi. However, when iPhone won’t connect to wifi, here are some common reasons for this issue:

  • The iPhone has previously connected to the Wifi wireless network, however, the router's Wifi password has been changed recently.
  • iPhone network settings is incorrect.
  • The wifi signal is too weak or there are too many devices connected to the Wifi, resulting in the failure to connect properly.
  • A problem with the hardware has caused this problem.

Part 2. Resolve ‘iPhone Won’t Connect to Wifi’ Issue

Now you have know the main reasons why your iPhone won’t connect to wifi, you must be wondering the main solutions to make a proper wifi connection.

Reset Wifi Router to Default Settings

Maybe your iPhone cannot be connected to your own router, while it can be connected with other places’s router. If you are not sure for that, you can test to connect your iPhone to the wifi in a public area or connect it to your neighbour’s wifi network. If your iPhone can connect to other place’s wifi rather than yours, then something may go wrong with your wifi router. To successfully connect your iPhone to your wifi router, it is better to reset wifi router to default settings.

  • There is usually a RESET button on the wireless router (different brands of wireless routers may have different reset buttons, some are Defualt buttons on the router, some are a small hole.)
  • When the wireless router is powered on, press and hold the RESET button for at least 5 seconds, the wireless router will be reset successfully.

reset wifi router to deault settings

After one minutes or two, go to your iPhone settings to re-connect it to wifi. Usually, it should be effective to fix this problem.

Wifi is Protected with Password

Only parts of wifi networks are free to be connected for users, most of them are protected with a strong password. For example, in the public area such as school or super market, the wifi networks are only available to certain users. Other users who are not authorized will not have the chance to connect to the wifi. If the wifi is protected, there is be a lock icon next to the wifi name on the settings screen.

If your iPhone always fails to connect to specific wifi network, you can check if the wifi is protected with a password by going to iPhone settings and see if there is a lock icon. If it is locked, you can find the password from the owner of the network to connect to the wifi network.

Forgot This Network and Join in Again

Sometime, you know what the password is, but you still have trouble connecting to wifi network. If so, you can forget the wifi network and connect to it again.

  • On the Settings page of your iPhone, click on the name of the wifi that you fail to connect and hit ‘Forget This Network’.
  • Now, click on the back button in the top left corner and select the wifi network you want to join, then enter the password of the wifi.

forget this network

Turn off Airplane Mode

Airplane Mode will automatically prevent the network connections when this feature is turned on. You might turn on Airplane Mode when you have a meeting or go to a movie. So you can check the Airplane Mode settings on your device:

  • Go to iPhone Settings and click on Airplane Mode.
  • Toggle the switch next to the Airplane Mode and turn it off.

airplane mode

Force Restart iPhone

This is one straightforward solution to fix the wifi problem and other small problems. However, other difficult hardware issues may not be resolved by this solution. The procedures to restart an iPhone is different depending on the different models.

  • Press and hold the Power button.
  • Then keep pressing the volume + button and the ‘Slide to power off’ option will appear on the iPhone screen, just drag it to turn off the iPhone.
  • After it is turned off, press and hold the power button to turn it on.

turn off and turn on iphone

Turn Off the Bluetooth

The wifi network connection may be interrupted if bluetooth is turn on on your iPhone. That’s why you need to turn off the bluetooth to make the iPhone connect with a stable wifi network.

  • Use your finger to slide up from the bottom of the iPhone screen, then you can call out the shortcut menu of the iPhone. Find the Bluetooth icon and then turn it off.
  • Enter the "Bluetooth" settings, if you have previously turned on the Bluetooth, then turn it off.

turn off bluetooth

Disable Location Services

iPhone can do you than you can see behind the screens. For example, it can highly improve the location service by using the wifi network that your iPhone connects. But it may sometimes prevent your iPhone from connecting to an available wifi network.

The advise above may not be helpful for you if you are still checking this method. You can then follow the steps below to turn off the location services to check if it useful.

  • Click on Settings and tap on Privacy.
  • Find the Location Services option and click on System Services on the bottom.
  • Turn off the option of Networking & Wireless.

location system service

Reset Network Settings

Any issue related to wifi or cellular network connection can be fixed by resetting network settings on your iPhone, such as the issue discussed in this article: iPhone not connecting to internet.

Click on General on the Settings app on your iPhone, then click on Reset and tap on ‘Reset Network Settings’.

reset network settings

Repair iPhone Won’t Connect to WiFi without Losing Data

If you iPhone still can’t connect to Wifi after trying the fixes above, you can use reliable software to fix this issue for you.

FoneGeek iOS System Recovery is the 3rd-party software that is available to repair numerous iOS issues on your iPhone, iPad and iPod Touch. And it supports all models of iOS devices and iOS 16. It is also trusted by  Mobile MallGetDroidTipsInspirationfeed and other media sites. Follow the steps below to fix the wifi issue for you.


Step 1. Open the program on your computer and click ‘Standard Mode’.

choose repair mode

Step 2. Next, connect your iPhone to the computer and tap ‘Next’.

Step 3. If the device is not detected by the program, you can put it into DFU mode by following the given steps on the interface.

put iphone into recovery mode

Step 4. All the firmware package available will be shown after the device is put into DFU mode. Choose the appropriate version and click on the Download button.

download firmware

Step 5. After the repair process gets started, do not unplug your iPhone with the computer. When the repair process is done, reboot your iPhone.



Maybe all the potential solutions to fix iPhone not connecting to internet issue are introduced in this post. You can also share this article with other person who has the same issue.

Joan J. Mims

Joan J. Mims is interested in researching all tips about iPhone, iPad and Android. He loves to share useful ideas with all users.

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