10 ways to fix iPhone not connecting to WiFi error

Many iPhone users often encounter problems when connecting to WiFi such as not being able to connect to a previously connected WiFi network, even entering the correct password but cannot connect… To fix the situation In this article, in the article below, Quantrimang.com will show you 10 ways to fix WiFi connection errors on iPhone devices quickly and effectively.

You can refer to this article to fix this error on each specific operating system version:

1. Turn Wi-Fi off and on again to fix WiFi connection errors on iPhone

If your iPhone does not catch WiFi or is using it and automatically loses connection, try to fix it with a few simple steps first, turn off the WiFi feature on your device and turn it back on.

To do this, go to Settings > WiFi and slide the horizontal bar next to the left to turn off, wait a few seconds, then turn it back on.

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Slide the side bar left and right to turn WiFi on and off
Slide the side bar left and right to turn WiFi on and off

Or faster then you can access Control Center device by swiping up from the bottom edge of the screen, tapping the . icon WIFI to turn it off, then turn it back on after a few seconds. Once done, check if the connection is back to normal.

Turn WiFi off/on from Device Control Center
Turn WiFi off/on from Device Control Center

2. Turn off Bluetooth to fix iPhone not connecting to WiFi lỗi

Bluetooth can be one of the reasons why the iPhone doesn’t catch with WiFi because the feature can interfere with WiFi connections. So, if your device is in a state of both WiFi and Bluetooth on, try turning off Bluetooth to see if it can regain WiFi connection or not.

To do this, go to Settings > Bluetooth and slide the sidebar to the left to turn it off.

Slide the sidebar to the left to turn off Bluetooth
Slide the sidebar to the left to turn off Bluetooth

Or faster then you can access Control Center device by swiping up from the bottom edge of the screen, tapping the Bluetooth icon to turn it off, then turn it back on after a few seconds. Once done, check if the connection is back to normal.

Turn off Bluetooth from Device Control Center
Turn off Bluetooth from Device Control Center

3. Restart the device for WiFi to reconnect on iPhone

Restart iphone

This is the way that you most often think of when any error occurs on the device. To restart the iPhone or iPad system, refer to the article How to restart iPhone.

4. Restart the WiFi transmitter

The next solution Quantrimang.com offers is to start your WiFi transmitter. Always think of this way first when encountering errors related to WiFi networks, because it solves a lot of minor errors. The reason is because the device has been used for a long time, leading to minor problems. Disconnect the power for a few minutes then plug it back in to see if that fixes it.

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If it doesn’t work, follow the next solution.

5. Delete the connected WiFi network on iPhone

If your iPhone can’t connect to a Wi-Fi network you’re already connected to. In this case, the most effective solution is to forget that Wifi network (Forget Wifi) and then reconnect.

To do this, first go to Setting > Wifi > select i next to the Wifi network name is connected error > Forget this network (Forget Wifi). Then proceed to connect and enter the password to reconnect that Wifi.

6. Turn off location services on iPhone

Location service on iPhone helps you identify nearby WiFi to connect to, but this can also be the cause of WiFi errors on iPhone. To disable location services on iOS, go to Settings > Privacy > Location Services and disable the feature.

Turn off location services

7. Adjust DNS on iPhone to fix WiFi errors

To change DNS on iPhone, go to Settings > Wifi > choose the sign i next to the Wifi network name that you are trying to fix DNS. Click Configure DNS > Manually to be able to configure DNS manually.

You can use either DNS below:

  • Google DNS: To use Google DNS, you can enter any of the following addresses in the DNS field: 8.8.8.8, 8.8.4.4
  • OpenDNS: You can enter one of the following addresses to use OpenDNS: 208.67.222.222, 208.67.222.220.

8. Reset WiFi network settings on iPhone

Wi-Fi reset will reset all Wi-Fi networks on your iPhone, including caches, DHCP, other settings, or custom data set up on iPhone.

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To re-establish the connection to Wifi networks, go to Setting (Settings) > General settings (General) > Reset (Reset) > select Reset network settings (Reset Network Settings).

Reset WiFi network to fix no connection error on iPhone
Reset WiFi network to fix no connection error on iPhone

9. Upgrade iOS to the new version

This solution will take a long time. So, if you have applied all the above solutions and still have not fixed the Wifi error on your iPhone, then use this solution.

Go Settings > General > Software Update then choose Download and Install. You wait for the device to run and update to the new version, restart the device and use it to see if WiFi is available.

Download the latest iPhone software update to fix WiFi not connecting
Download the latest iPhone software update to fix WiFi not connecting

10. Restore iPhone to factory settings using iTunes

Most users were able to fix WiFi problems using one of the solutions listed above. But if you’re one of the few who’ve tried them all and still can’t solve it, it might be time to give your device a fresh start: restore your iPhone to factory settings using iTunes.

Note that all data stored on the device such as applications, files, photos, settings will be deleted. Importantly, don’t forget to back up your data!

You can also refer to:

Good luck!

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