Sony Xperia Z2: Wifi Authentication Problem

Occasionally, the Sony Xperia Z2 displays the Authentication Problem message when ever you try to connect to a Wi-Fi network. This kind of error message can potentially sourced from a lot of places. So, so that you may connect properly to the Wifi network with your Sony Xperia Z2, we decided to write this guide. So we will see together what to do and where to look to resolve this problem of Wifi authentication. We will see at 1st what you must do on the Sony Xperia Z2. Finally, we will see what it can be required to do and check on your Wifi box.

How to proceed when the Sony Xperia Z2 has an authentication problem on the Wifi network

Forget the Wifi network on your Sony Xperia Z2

If the Wi-Fi network to which you want to connect has been changed since your last authentication, your Sony Xperia Z2 may display the text message: Authentication or authentication error . If the trouble comes from there, the solution is quite easy. Just forget about the Wifi network in your Sony Xperia Z2. To accomplish this, go to the settings of the Wifi network and keep pressed on the network in question. You will then have the option to choose the option: Forget this network . Once it is done, you may try again to connect to the Wifi network. In the event that the trouble is not solved, 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 Sony Xperia Z2 because the box is not in Synchronization mode . If you wish to activate the synchronization mode of your box, it can be very basic. You should find a synchronization button to press. When this is done, a light will normally start blinking. You’re able to then try to reconnect to the Wifi network with your Sony Xperia Z2. If it still will not work, go to the next trick.

Retype Password

Occasionally the authentication problem originates from the solution you type the Wifi network security password. In fact, it can be sometimes subtle to type a security password Wifi on its Sony Xperia Z2. We therefore 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 lots of laptop problems, the solution is at times very simple. In fact, 80% of the laptop problems are solved by restarting the machine. We therefore recommend you to restart your box and your Sony Xperia Z2. After that try to reconnect with your Sony Xperia Z2.

Check box settings

If none of the prior answers did work, the problem may be found to be on the box of your provider. It will therefore be required to go in the parameters of the box and to test whenever the system of key is in WPA / WPA2 . If this is not the case, choose this option. After that try to connect your Sony Xperia Z2 again to Wifi. If the authentication trouble persists, we recommend that you contact your service provider or a telephone store.