Below are several things you might attempt to fix the issue and get back online.
How to Fix a Wi-Fi Authentication Problem
Below is a list of everything you should try.
We’ve gathered all the best solutions from the huge variety of users who have experienced this error.
Be sure to work through this list in the order you see it to try the easier solutions first.
Toggle airplane mode on and off.
Rebooting your phone is easy to do, and often fixes problems like this one.
“Forget” the Wi-Fi internet from your phone by deleting it from the list of saved networks.
TapForget, thenreconnect your Android to Wi-Fiby entering the password.
Complete this step even if you’re positive it’s the correct password.
Correct the date and time.
The Wi-Fi authentication problem could be due to a time discrepancy between your Android and router.
Reset the phone’s web connection tweaks.
Do this throughSettings>System>Reset options>Reset Bluetooth & Wi-Fi>Reset.
You’ll need to attempt to connect to the web connection again after this step.
Troubleshoot this as a slow internet connection.
Things like bandwidth overload and signal interference could be causing the authentication issue.
Restart the internet hardware.
Restart and reset are very different things.
This particular step is forrestarting/rebootingthe data pipe, which is similar to restarting any tech gear.
Check how many devices are running on the web connection at once.
See ourguide on how to change the Wi-Fi channelto see where these options are on a typical router.
Install a Wi-Fi appto see what channel you and your neighbors are using.
Set up your phone with a static IP address.
Check for Android OS updates.
There could be an update you have yet to apply that fixes this authentication problem.
Reset the internet hardware.
This will delete all customizations made to the router since it was first set up.
patch your router’s firmware.
Change the encryption option to AES.
Some users have had luck fixing the Wi-Fi error with this simple edit.
Factory reset your phone.
This is one of the last things you have control over on your phone that could fix this issue.
Do not jump to this step without first completing all of the above.
Upgrade to a newer router.
In some cases,the web link admin might need to make some security changes on their end.
Other possible causes include viruses or object interference.
verify that you’re connected to the right Wi-Fi online grid.
Restart the router and modem.
If you still have no internet after restarting, you cantry several other troubleshooting steps.
