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Oftentimes, the Samsung Galaxy S9 plus displays the Authentication Problem message when you try to connect to a Wi-Fi network. This kind of error message can possibly be caused by a lot of places. So, so that you can connect properly to the Wifi network with your Samsung Galaxy S9 plus, we decided to write this tuto. So we will see together what to do and where to look to solve this problem of Wifi authentication. We will see at first of all what you need to do on the Samsung Galaxy S9 plus. At last, we will see what it is actually necessary to do and check on your Wifi box.

What to do when the Samsung Galaxy S9 plus has an authentication problem on the Wifi network

Forget the Wifi network on your Samsung Galaxy S9 plus

If perhaps the Wi-Fi network to which you wish to connect has been changed since your last authentication, your Samsung Galaxy S9 plus may display the text message: Authentication or authentication error . If perhaps the trouble comes from there, the solution is fairly simple. Simply forget about the Wifi network in your Samsung Galaxy S9 plus. To get this done, go to the settings of the Wifi network and keep pressed on the network in question. You will then have the option to select the option: Forget this network . Once it’s carried out, you can try again to connect to the Wifi network. If the trouble is not resolved, go to the next section.

Press the box button

Whether your box is Orange, Bouygues Telecom, SFR or Numéricable, it might happen to have a trouble of authentication Wifi on the Samsung Galaxy S9 plus because the box is not in Synchronization mode . If you want to activate the synchronization mode of your box, it is actually very simple. You should find a synchronization button to press. When ever this is carried out, a light will normally start blinking. You can actually then try to reconnect to the Wifi network with your Samsung Galaxy S9 plus. If perhaps it still will not work, go to the next trick.

Retype Security password

Oftentimes the authentication problem originates from the technique you type the Wifi network security password. Certainly, it is actually sometimes subtle to type a security password Wifi on its Samsung Galaxy S9 plus. We consequently advise you to try all the following possibilities:

  • Type the code without spaces or hyphens
  • Type the security password in uppercase
  • Type the security password in lowercase

Restart your box

As in a great many computer problems, the solution is sometimes very simple. Certainly, 80% of the computer problems are solved by restarting the machine. We therefore recommend you to restart your box and your Samsung Galaxy S9 plus. Then try to reconnect with your Samsung Galaxy S9 plus.

Check box settings

If perhaps non-e of the previous solutions did work, the problem could be found to be on the box of your provider. It will consequently be necessary to go in the parameters of the box and to check in cases where the system of key is in WPA / WPA2 . If perhaps this is not the circumstance, select this option. Then try to connect your Samsung Galaxy S9 plus again to Wifi. If perhaps the authentication trouble persists, we suggest that you contact your service provider or a telephone store.