Here's how eligible BT Mobile customers can work online in more than 250 Tube stations using wi-fi on the London Underground provided by Virgin Media.
You can use wi-fi in ticket halls, walkways and on platforms, but not in tunnels or between stations.
Set up your iPhone to use wi-fi on London Underground
Set up your Android device to use wi-fi on London Underground
What stations offer wi-fi on the London Underground?
Who can get it?
How does it work?
Access is included as part of your mobile contract with BT, so there are no extra charges for access to wi-fi on the Underground provided you're an active BT mobile customer.