Between August 31, 2017 and September 30 download or update the Chick-fil-A One App for iOS or Android, and have a Chick-fil-A One Account. Offer only available during breakfast hours and must be redeemed by placing a mobile order or scanning the “My Card” QR code via the App for your choice of a Chick-fil-A Chicken Biscuit, Egg White Grill or Hash Brown Scramble Bowl. NO PURCHASE NECESSARY. Valid for new and existing users. Offer must be redeemed by September 30, 2017 at 10:30 A.M. Local Time.