8 Ways to Fix WiFi Authentication error on Android


Experiencing authentication errors when connecting your Android device to a Wi-Fi network? You don’t need to worry because this problem is a fairly common problem, it can even occur when you try to connect to a network that has been used before.

wifi authentication errorFortunately, there are ways to work around this issue and successfully reconnect your phone to the Wi-Fi network. Check out the following method;

Each Phone may differ for its settings menu layout.

1. Airplane Mode

The first way to Error Wi-Fi authentication is to switch airplane mode on your Android phone. When you do this, your phone will be disconnected from all networks connected to your phone.Â

You can then disable airplane mode to reconnect to your Wi-Fi network. There’s no guarantee that this method will fix the error, but it will only take a moment, so it’s worth trying.

Do several times to “disable-enable” Airplane mode, Hopefully now the phone is back connected to the Wi-Fi network.Â

2. Check Wi-Fi Password

Authentication errors are often caused by you perhaps entering the wrong Wi-Fi password. You may have forgotten the WiFi password, or if someone has changed it,

If you forget the Wifi password, you can go to your router settings menu and find the wifi password;

  • Open a browser and access your router settings page by entering its IP address. The IP address is usually, but may vary depending on your router device. Enter the address in your address bar and press Enter.
  • Your router will ask you to enter its login details, which are different from the password you used to join the network. If you haven’t changed it from default.
  • Once you are logged in, click Wireless Settings in the list of options.
  • Click On Wireless Security in the left sidebar and you will find a field called Security Key in the right side panel. This field contains your Wi-Fi network password.
  • Enter a new password.
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If you can’t use the above method, It’s possible to find your Wi-Fi password using Windows 10.

3. Restart Your Wi-Fi Router

Wi-Fi routers can sometimes experience lag or errors. When that happens, your router could be interfering with the connection to your device. Luckily, fixing it is pretty easy. Simply turn off your router by unplugging it, turn it off for at least a minute, then turn it back on.

4. Forget And Reconnect With Wi-Fi Network

Sometimes, deleting the Wi-Fi network and then reconnecting fixed the authentication error. As long as you remember the password for your network, it’s easy to do:

  • Open the Settings app on your phone.
  • Select the option that says Wi-Fi & internet and tap Wi-Fi on the following screen.
  • Find your Wi-Fi network in the list and tap the settings icon next to it.
  • On the screen, you will see a button that says Forget.
  • Go back to the previous screen and tap your wifi network to reconnect.
  • Enter the password for your network and tap Connect to reconnect with the network.

5. Use DHCP IP

Most routers use DHCP, which automatically assigns an IP address to each device on the network. Sometimes, the DHCP feature doesn’t work as it should, which will cause problems with your network.

Wi-Fi authentication and IP issues are often caused by DHCP not working errors. To fix this, you can assign a static IP address to your Android phone. This way, your phone will have a pre-defined IP address and won’t depend on the router to get the IP.

  • Access Settings app on your phone.
  • Tap Wi-Fi & internet and select your Wi-Fi network from the list.
  • Tap the pencil icon at the top to edit your Wi-Fi settings.
  • Select the Advanced options menu to reveal some new options.
  • Select Static from the IP settings drop-down menu.
  • In the IP address field, you must enter an IP address that is within the allowed IP address range and has not been used
  • Enter your router’s IP address in the Gateway field.
  • Leave DNS field blank to use default or enter in DNS 1 and in the DNS 2 field if you want to use Google DNS. Then tap Save.

6. Reset Wi-Fi Settings On Your Phone

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Incorrect Wi-Fi settings can cause authentication errors. If you’ve tried all of the above and still can’t connect, resetting to default will hopefully work.Â

Android gives you the option to reset all your network settings at once. While Doing this, you will lose all saved network data, such as VPN configuration, saved Wi-Fi networks, and Bluetooth devices. You’ll have to reconfigure it later, so make sure you’re okay by continuing:

  • Go to Settings on your phone and tap System at the bottom.
  • Select Reset option on the following screen.
  • Tap the option that says Reset Wi-Fi, cellular & Bluetooth to reset your network settings.
  • After the settings are reset, connect your phone to the Wi-Fi network as usual.

7. Update Your Android Software

If you haven’t updated your Android device in a long time, it could be that you’re seeing an authentication error on your phone. Newer operating system versions often patch bugs from older versions, which is why it’s important to keep your Android phone up to date.

8. Factory Data Reset Your Device

No matter the case, if nothing else works, your last resort is to reset your phone to factory settings. This procedure deletes all data and settings stored on the device, so you’ll start over when you’re done.

If you’re still seeing Wi-Fi authentication errors at this point, this option is your last resort. Make sure to back up your phone data before resetting it to avoid losing valuable data.

  • Go to Settings > System > Reset options on your phone.
  • Tap the option Wipe all data (factory reset).
  • After your device has been reset, try connecting to your Wi-Fi network before adjusting any other settings.
  • If this doesn’t work, Maybe the problem is with your device. Consider taking your phone to a service center.
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