You might see an error message stating ” Wifi authentication failure” when trying to connect to a Wi Fi network with your Samsung Galaxy S20. This message will prevent you from connecting to a Wi-Fi network with your Samsung Galaxy S20. Restarting your Samsung Galaxy S20 and entering your password is the best way to fix this Samsung Galaxy S20 authentication error.
It is important to understand the cause of a Wifi authentication failure. This error message occurs when your WiFi connection is not correctly identified based on the username and password you entered. If Wifi authentication fails to detect a Wi-Fi connection, this means there are conflicts that need to be resolved. There are several ways to fix the authentication problem with Samsung Galaxy S20.
Samsung Galaxy S20 Authentication Error
Some people have reported that the Samsung Galaxy S20 authentication problem can be fixed by turning off “Bluetooth” when WAP is enabled. This should fix the frequency change for Bluetooth and WiFi interactions. This should fix the Samsung Galaxy S20 authentication error.
Reboot Wireless Router
If none of the above solutions work, the problem could be with your router or modem. You can also try the following: The Wi-Fi IP address conflicted with other smartphones that are connected to the same network and sharing the same IP addresses. Galaxy S20 authentication error can be caused by other smartphones interfering with existing devices. This error can be fixed by rebooting the router or modem.