Response from ATT.comBy -Andy, AT&T CARE, June 18, 2025
Thanks for your feedback! We understand how important this is to you. Typically, the Trade-in credits will take 1-3 billing cycles to reflect on your bill. If you have any questions, please fill out our self-service form: www.att.com/get-support. we will reach out to you, to take a deeper look into this and make things right for you.