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 Mini Blizzard w/ purchase at DQ
      • Free Breakfast Sandwich w/ purchase at Wendy’s
      • 30% off Puma
      • 50% off Legoland
      • 3 Free Months of Calm Premium
      • $.10 off per gallon at Shell & Gold Status

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