Important Note: When you buy through our links, we may earn a commission. As an Amazon Associate we earn from qualifying purchases. Content, pricing, offers and availability are subject to change at any time -.
Enjoy a free Large Drink or Slush with any purchase online or using the SONIC Drive-In app! Simply apply the promo code given below to receive your free drink.
How to get your free drink:
- Visit the company’s website by clicking “Get This Offer (External Website)”.
- Get the app from the Apple or Google Stores.
- Sign into the app or online, make any purchase and use the code TMOBILE when you checkout to receive a free large drink or slush!
* US only. Limit 1 offer per person/ account. Limited time offer. Ends May 1, 2022.