You will find below a number of methods to troubleshoot and fix the problem of iPhone Not Connecting to WiFi Network.
iPhone Not Connecting to WiFi Network
There could be various reasons for iPhone Not Connecting to WiFi Network, ranging from iPhone being in Airplane mode to network problems, software bugs and other issues.
Since the problem cannot be narrowed down to a single reason, you may have to try out most of the methods as provided below.
1. Turn WiFi ON/OFF
The simple act of switching off WiFi, waiting for 30 seconds and switching ON WiFi is known to fix WiFi Connectivity issues on iPhone.
1. Open Settings > make sure Airplane Mode is switched OFF and tap on WiFi.
2. On the WiFi screen, switch OFF WiFi by moving the toggle to OFF Position.
3. Wait for a 30 seconds and switch ON WiFi by moving the toggle to ON position.
Also, make sure that iPhone is connected to your WiFi Network.
2. Restart Modem/Router
In above step, if you notice that iPhone is not connecting to your WiFi network or the connection is dropping off, the problem might be due to Modem/Router.
1. Switch OFF the Power Supply to Modem/Router – Use the ON/OFF button (if available) or unplug the power cable from wall socket.
2. Wait for 60 seconds and switch ON the Power Supply to Modem/Router.
The above step resets WiFi network, assigns a new iP Address and somehow fixes most WiFi connectivity problems.
3. Restart iPhone
The simple act of Powering OFF iPhone and restarting it back again might surprise you by fixing the problem of iPhone not connecting to WiFi network.
1. Press and hold the Power Button, until you see slide to Power OFF button.
2. Drag the Slider to the right to turn OFF your device.
After your device is turned OFF, wait for 60 seconds and Restart iPhone by pressing the power button.
4. Disable Bluetooth
Bluetooth can interfere with WiFi network, causing WiFi connectivity problems on your iPhone.
1. Go to Settings > Bluetooth > disable Bluetooth by moving the toggle to OFF position.
After disabling Bluetooth, reconnected to WiFi network and see if WiFi is working on your iPhone.
5. Renew DHCP Lease
This step assigns a New IP Address and this might help you fix the problem with WiFi network on your iPhone.
1. Go to Settings > WiFi > tap on your WiFi Network Name.
2. On the next screen, scroll down and tap on Renew Lease option.
3. On the confirmation pop-up, tap on Renew Lease to confirm.
Now see if you are able to connect to WiFi Network.
6. Turn OFF WiFi Assist
The WiFi Assist feature on iPhone is designed to switch your device to Cellular Network, whenever there is a weak WiFi connection.
Turning OFF WiFi Assist has helped users to fix the problem of iPhone Not Connecting to WiFi Network.
1. Go to Settings > Cellular > disable WiFi Assist by moving the toggle to OFF position.
After disabling WiFi assist, reconnect to WiFi network and see if WiFi is now working on your iPhone.
7. Forget WiFi Network and Rejoin
Forgetting the WiFi Network and rejoining WiFi Network by entering WiFi Password is known to fix WiFi Connectivity problems on iPhone.
1. Go to Settings > WiFi > tap on your WiFi network.
2. On the next screen, tap on Forget This Network option.
3. On the confirmation pop-up, tap on Forget to confirm.
4. Wait for 60 seconds and then tap on your WiFi Network under ‘Networks’ section.
5. On the next screen, enter your WiFi Network Password to join WiFi Network.
8. Disable Location Services For WiFi Network
Some users have reported fixing WiFi connectivity problems on iPhone by disabling Location Services for WiFi network.
1. Go to Settings > Privacy > on the Privacy screen, tap on Location Services.
2. On the next screen, scroll down and tap on System Services.
3. On system services screen, disable WiFi Networking option.
Note: These steps disable location services for WiFi networking, your WiFi functionality will not be affected.
9. Reset Network Settings
This step clears the memory caches, DHCP settings and resets the Network Settings on your iPhone to its Factory Default Settings.
Before following these steps make sure that you note down your WiFi Network Name and Password as these will get erased.
1. Go to Settings > General > on the next screen, scroll down to bottom and tap on Reset.
2. On the next screen, tap on Reset Network Settings option.
3. On the confirmation pop-up, tap on Reset Network Settings again confirm.
After this, connect your iPhone to WiFi Network again and see if the problem of iPhone not connecting to WiFi is gone.
10. Switch to Google DNS
WiFi Network connectivity problems can also be caused by DNS server of your Internet Service Provider being busy or going through problems.
In which case, switching to DNS servers of Google or OPEN DNS can help.
1. Go to Settings > WiFi > tap on your WiFi Network.
2. On WiFi Name screen, scroll down and tap on Configure DNS option.
3. On the next screen, select the Manual option and tap on Add Server.
4. Type 220.127.116.11 as the New DNS Server address and tap on Save.
5. Similarly, add 18.104.22.168 as another Google DNS Server.
6. After adding Google DNS Servers, you can delete the DNS Servers of your service provider by tapping on the Red Minus icon.
7. Tap on the Save option to save this change on your device.
Note: Type 22.214.171.124, 126.96.36.199 in case you want to switch to OPEN DNS.
11. Factory Reset iPhone
If nothing helps, you can try to Reset your device to its Factory Default Settings.
Factory Reset will erase all the data on your iPhone, reinstall iOS Software and provide you with the option to setup iPhone as a new device.
There are a number of ways to Factory Reset iPhone as provided in this guide: How to Factory Reset iPhone.