Techs & Trends
Top message: looking for help and information. by nophonecartel
Replying to: Re: Prepaid already does that by nophonecartel
Greediness, I think
T-Mobile and AT&T, while both using GSM and WCDMA technology, use different bandwith for data, which causes some of the phones of the one to be incompatible with the other.
IMO, they have done so this way to make sure they have their own, signature network and to enjoy the exclusivity for their devices.
However, you'll find that some phone models, like the LG Optimus and most Blackberries, has managed to get around these quirks.
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