https://www.t-mobiletuesdays.com/ -every Tuesday T-Mobile is going to have free stuff and contests available for T-Mobile Customers.  You will be able to access this promotion using their Android or iOS app.
This is live again for this week. Access the app  to get these items:

      • Free Whopper w/ $3 purchase  at Burger King
      • 20 Free 4×6 Prints from Snapfish with free shipping
      • $.10 off per gallon at Shell

    -Update – This is now valid for Sprint customers as well.