To enable WIFI on the A920 Pro terminal, you can follow these steps:
Access the settings. You can do this in two ways:
From the login page, press the cogwheel at the bottom.
After logging into the POS, press the hamburger icon at the top left and enter settings.
Once in settings, press the blue circle at the bottom right and select System settings. This will take you to the same area as before.
Choose Network and Internet.
Select the Mobile Network menu tab and ensure that Mobile Data and Data roaming are disabled. Please note that a terminal cannot run WIFI and 4G simultaneously.
Go back to Network and Internet and choose WIFI. Enable WIFI and select the network you want to connect to. If prompted, enter the WIFI password.
After these steps, restart the terminal. The images below provide a visual guide for these steps: