Buy One Get One Free Smartphone -

: T-Mobile is also running a "Buy One, Get One Free" promotion on extra service lines for existing customers. Verizon :

: Purchases made online for flagship Apple, Google, and Samsung phones often include a Verizon eGift card ranging from $100 to $270. AT&T : buy one get one free smartphone

: Available for free with a new line on a qualifying unlimited plan. : T-Mobile is also running a "Buy One,