Are Sprint Phones Compatible on T-Mobile? Sprint uses a CDMA network, whereas T-Mobile uses GSM. Historically, that meant Sprint phones don’t play well on other wireless carriers, like AT&T and T-Mobile (with several exceptions) .
Are Sprint Phones Compatible on T-Mobile? Sprint uses a CDMA network, whereas T-Mobile uses GSM. Historically, that meant Sprint phones don’t play well on other wireless carriers, like AT&T and T-Mobile (with several exceptions) .