Hi, Can anyone tell me if at&t has good network coverage in Mexico, I'm driving from Brownsville TX to Belize? or should I get a telcel sim in Mexico, and chop it?
AT&T has no service in Mexico. It might roam on a Mexican provider, but you'll have to buy one of those expensive roaming packages from AT&T to use it... and I think you have to buy the package before you go.
