14 ms·
Not really. AT&T uses different bands than T-Mobile, which both uses different bands than European carriers, which differ from Korean carriers. It is only rece
by snotrockets 14y ago
Not really. AT&T uses different bands than T-Mobile, which both uses different bands than European carriers, which differ from Korean carriers.
It is only recently that you can find penta-band UMTS phones that gives you 3G on GSM providers in all the continents.