` ` T - Mobile Test Week '' program gives the curious an iPhone 5S for seven days . If they do n't return the phone at all , they 're billed $ 700 , plus tax . 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 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 .