T-Mobile currently offers several promotions that function like "Buy One, Get One" (BOGO) deals for iPhones, primarily through massive bill credits that can cover the full cost of a second device. As of April 2026, these deals center on the and typically require adding a new line of service. Current iPhone "On Us" & BOGO-Style Deals
: Get up to $1,100 off an iPhone 17 Pro when you trade in an eligible device in any condition on a premium plan like Experience Beyond or Go5G Next . t mobile buy one get one free iphone
: You can get an iPhone 17e for free (via 24 monthly bill credits) when you switch to T-Mobile and bring your number on most plans. Get One" (BOGO) deals for iPhones