If your iPhone won’t connect to WiFi, you should be able to fix the problem with the troubleshooting steps given below.
iPhone won’t connect to WiFi network
There can be various reasons for iPhone not connecting to WiFi, ranging from minor software glitches and network issues to other issues.
Since the problem cannot be narrowed down to a single cause, the following troubleshooting steps may help you in fixing the WiFi connectivity issues on your device.
1. Turn WiFi on/off
Simply turning off WiFi and turning it back on can often help fix WiFi connectivity issues on iPhone.
Go to settings > Wireless Internet access > Move the switch next to Wireless Internet access to OUT Position.
Wait 30 seconds and turn it on Wireless Internet access by moving the switch to ON Position.
2. Reboot the iPhone
Another simple solution that often works when fixing network connection issues is to turn off and restart your device.
Go to settings > General > shut down. On the next screen, use the slider to turn off your device.
Let the iPhone turn off completely > Wait 30 seconds and then restart iPhone by pressing power button.
3. Renew DHCP lease
This step assigns a new IP address, which should help troubleshoot WiFi connectivity issues on your device.
Go to settings > Wireless Internet access > select yours Wi-Fi network name.
On the next screen, scroll down and tap renew lease Possibility.
Tap on the confirmation pop-up renew lease confirm.
After that, your iPhone should be able to connect to the WiFi network.
4. Forget the WiFi network and join again
Go to settings > Wireless Internet access > select yours Wireless Internet access Network. Select on the next screen Forget this network Possibility.
Tap on the confirmation pop-up Forget confirm.
Wait 60 seconds > select yours WiFi network > Enter yours WiFi network password Join WiFi network.
5. Turn OFF the Wi-Fi wizard
Turning off WiFi Assist feature has helped users to fix iPhone not connecting to WiFi network issue.
Go to settings > cellular > disable Wi-Fi Assist by moving the switch to OUT Position.
After turning off WiFi support, reconnect to your WiFi network and see if WiFi is now working on your iPhone.
6. Restart modem/router
Switch OUT the power supply to your modem/router – Use the ON/OFF button (if available) or unplug the power cord from the wall outlet.
The above step will reset the WiFi network, assign your iPhone a new IP address (if necessary), and fix most WiFi connection issues.
7. Reset network settings
Before performing this step, make sure you write down your WiFi network password as it will be erased.
Go to settings > General > Reset to default. Select on the next screen Reset network settings Possibility.
Tap on the confirmation pop-up Reset network settings confirm again.
After that, connect iPhone to your WiFi network and check if iPhone won’t connect to WiFi issue is fixed.
8. Switch to Google DNS
If you have frequent network connection problems, the problem may be because your ISP’s DNS server is busy or having problems.
In such cases, switching the DNS servers on your iPhone to Google or OPEN DNS can help to fix the problem.
Go to settings > Wireless Internet access > select yours WiFi network. On the next screen, scroll down and tap Configure DNS Possibility.
On the Configure DNS screen, go to Manual option and tap Add servers.
Type 126.96.36.199 and tap Add servers > enter 188.8.131.52 and tap the Save on computer Possibility.
After adding Google DNS servers, you can delete your service provider’s DNS servers by tapping Red minus symbol.
After clearing your service provider’s DNS servers, make sure you tap Save on computer Option to save this change to your device.
Note: Enter 184.108.40.206, 220.127.116.11 if you want to switch to OPEN DNS.