STEPS:

  1. From the main screen, you’ll see a bunch of different icons underneath the date on your terminal.
  2. The WiFi icon is to the right of the battery status icon.
  3. If you have three bars of strength, that means your WiFi is connected.
  4. If you have no bars, that means your WiFi is not connected.
  5. If you have one or two bars, that means your WiFi strength is weak.
  6. Make sure there are three solid black WiFi bars at all times to avoid any disruptions to your credit card processing.