eagerb@gmail.com declared for all the world to hear...
> ... but even if I did this surely the phone has to search for a network
> to find out that that the contract is cancelled...

When it powers on it will radiate for a few seconds, then that will be
it.

> I want to be able to 'kill' the connectivity of the phone so there is no
> EM radiation...

Oh dear. Another one.
--
Regards
Jon