At least one new line of service had to be activated on a qualifying plan.
is a legacy device and is no longer sold or promoted by T-Mobile (formerly Sprint). Modern promotions focus on newer hardware like the , where current deals include: Galaxy S26 Ultra Go to product viewer dialog for this item. sprint buy one get one free s8
during its initial launch period in . This deal allowed customers to lease two handsets for approximately $31.25 per month —the standard price for one device—effectively providing the second phone for free after monthly bill credits . Historical Promotion Details (April 2017) At least one new line of service had
: Available for free or up to when adding a new line on select plans. Galaxy S26+ Go to product viewer dialog for this item. : Offered with up to $1,100 off with an eligible trade-in. during its initial launch period in
The credit for the second device was typically applied over a 24-month installment or 18-month lease period.
Customers could participate in the "Galaxy Forever" program, which allowed for a phone upgrade after 12 monthly payments . Current Status (April 2026) As of April 2026 , the Samsung Galaxy S8
T-Mobile recently offered a Buy One, Get One free line promotion for existing customers with at least two paid lines. T‑Mobile Introduces Its Most Value-Packed Plan Ever