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I believe this is incorrect. Many T-mobile phones support old GSM (EDGE) on 850, 900, 1800, and 1900, which overlaps with AT&T. But UMTS (3G) support is on ba
by SeanLuke 16y ago
I believe this is incorrect.
Many T-mobile phones support old GSM (EDGE) on 850, 900, 1800, and 1900, which overlaps with AT&T. But UMTS (3G) support is on bands 1700 and 2100, neither of which AT&T uses. 2100 is common in Europe.