O2 Wi-Fi

[LS5]

Looked how to get free WiFi. Followed steps but O2 not ony list of WiFi connections. Anyone know how to connect? 

[pgn]

Where were you? You'd have needed to be in an area with O2 WiFi, @LS5 - and if you have registered with it in the past, you may need to find the deregister check box squirrelled away on the login screen ("Forget me", I think it says) to get the sign-in screen to reappear and save your credentials.

Guide: How to Connect to WiFi Extra or https://www.o2.co.uk/connectivity/wifi-london-underground or https://www.o2.co.uk/help/digital-services/o2-wifi-automatic-connection any use as help?