On Mar 16, 7:09*am, Roland Perry wrote:

In message
, at
09:13:03 on Mon, 15 Mar 2010, Mizter T remarked:

Will the cellphones work in the underground stations and on the tube?

Not on the London Underground/ Tube *i.e. the Piccadilly Line, no

Another good reason to take the bus between terminals.

As I said earlier, I believe there's comprehensive mobile phone
coverage in the Heathrow Express/ Connect stations and tunnels.