Oftentimes, the Vivo U20 displays the Authentication Problem message when you try to connect to a Wi-Fi network. This kind of error message can potentially be caused by many places. So, so that you can connect properly to the Wifi network with your Vivo U20, we decided to write this guide. So we will observe together what to do and where to look to solve this issue of Wifi authentication. We will see at 1st what you have to do on the Vivo U20. Finally, we will see what it’s necessary to do and check on your Wifi box.
What to do when the Vivo U20 has an authentication problem on the Wifi network
Forget the Wifi network on your Vivo U20
In cases where the Wi-Fi network to which you want to connect has been changed since your last authentication, your Vivo U20 may display the message: Authentication or authentication error . In cases where the trouble comes from there, the solution is straightforward. Simply forget about the Wifi network in your Vivo U20. To do this, 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 . When it is carried out, you can try again to connect to the Wifi network. If perhaps 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 may happen to have a trouble of authentication Wifi on the Vivo U20 because the box is not in Synchronization mode . If you wish to activate the synchronization mode of your box, it’s very simple. You should find a synchronization button to press. When ever this is carried out, a light will normally start blinking. You may then try to reconnect to the Wifi network with your Vivo U20. In cases where it still will not work, go to the next trick.
Retype Password
Oftentimes the authentication problem originates from the technique you type the Wifi network password. Certainly, it’s sometimes subtle to type a password Wifi on its Vivo U20. We therefore advise you to try all the following possibilities:
- Type the code without spaces or hyphens
- Type the password in uppercase
- Type the password in lowercase
Restart your box
As in lots of computer problems, the solution is occasionally very simple. Certainly, 80% of the computer problems are solved by restarting the machine. We therefore advise you to restart your box and your Vivo U20. After that try to reconnect with your Vivo U20.
Check box settings
In cases where non-e of the previous solutions did work, the problem could be found to be on the box of your provider. It will therefore be necessary to go in the parameters of the box and to check if the system of key is in WPA / WPA2 . In cases where this is not the circumstance, select this option. After that try to connect your Vivo U20 again to Wifi. In cases where the authentication trouble remains, we suggest that you contact your service provider or a telephone retail store.
