T Mobile Buy One | Get One Phone

: You are still responsible for the sales tax on the full retail price of both devices at the time of purchase, as well as a one-time $35 device connection charge per line. Pro Tip: Check for "Line BOGOs"

Most BOGO offers at T-Mobile are structured as . You don't walk out of the store with a free phone; instead, you finance both devices on an Equipment Installment Plan (EIP), and T-Mobile applies a credit to your bill each month to cover the cost of the second device over 24 months. Current Featured Deals (April 2026) t mobile buy one get one phone

Sometimes T-Mobile offers a "Buy One Get One" on the themselves. For example, a recent April 2026 promotion (ID260383) allowed customers with at least two paid lines to add two new lines while only paying for one. This is a great way to expand a family plan while keeping monthly costs low. : You are still responsible for the sales

: If you have canceled any lines in the last 90 days, you typically cannot qualify for a new BOGO deal until those lines are reactivated. : If you have canceled any lines in

: Most BOGO or "On Us" deals require you to add at least one new voice line to your account.