Contact us before cancelling entire account to continue remaining bill credits, or credits stop & balance on required finance agreement is due (e.g., $799.99 - Samsung Galaxy S25 128GB); bill credits end if you pay off device early. Tax on pre-credit price due at sale. Limited time; subject to change. Eligible smartphone purchase, eligible trade in worth $40 or more, qualifying credit and service ($70/mo. w/AutoPay and Paperless Billing discount + taxes & fees) required. Bill credits not to exceed $800. Allow 1-2 bill cycles for credits. Additional terms apply; see uscellular.com/terms for more details. Galaxy AI basic features provided by Samsung are free. Samsung enhanced AI features and all third-party AI features are subject to different terms and may be subject to fees. © UScellular