T-Mobile's network coverage isn't exactly stunning, but if you have a phone that supports wifi dialing (which I think currently means android and winphone?), th

T-Mobile's network coverage isn't exactly stunning, but if you have a phone that supports wifi dialing (which I think currently means android and winphone?), then you're on the t-mobile network whenever you have wifi access. That helps to make up for their lack of coverage, especially when travelling abroad.