"I can tell you that T-Mobile's iPhone sales are at all-time record highs," outgoing CEO Mike Sievert told CNBC on Monday.
T-Mobile telling CNBC on Monday about a record iPhone week is further confirmation of what Jim Cramer has been saying since launch. This year's upgrade cycle has been underestimated. "I can tell you that T-Mobile's iPhone sales are at all-time record... [4468 chars]

