The promotion was a flagship offer launched by T-Mobile in mid-2017 to coincide with the device's release and major holidays like Mother's Day and Father's Day . While the deal effectively made the second device free, it functioned as a mail-in rebate program rather than an instant discount. Core Offer Mechanics
: Had to activate two new lines on a qualifying unlimited plan (T-Mobile ONE or Simple Choice Unlimited). t mobile buy one get one free samsung s8
: Had to add at least one new qualifying unlimited line to their account. The promotion was a flagship offer launched by