` ` T - Mobile Test Week '' program gives the curious an iPhone 5S for seven days . The week comes with unlimited data on the network . It 's the latest in a series of unconventional tactics by the No . 1 carrier . They started as Sprint is reportedly trying to buy T - Mobile .
`` T-Mobile Test Drive '' program gives the curious an iPhone 5S for seven days . The week comes with unlimited data on the network . It 's the latest in a string of unconventional tactics by the No . 4 carrier . Promotions come as Sprint is reportedly trying to buy T-Mobile .