To connect to underground WiFi, follow these steps:
1. Turn on your device's WiFi.
2. Go to WiFi settings.
3. Select "Add network."
4. Enter the network name (e.g., EE WiFi-Auto).
5. Choose SIM as the EAP method.
6. Open your web browser.
7. Once the welcome page appears, you're connected.
(Source: EE Mobile Help)