Looks like for new customers only...
650 off.. comes with prepaid visa card.
Purchase any new smartphone on AT&T Next and activate a new line of qualified postpaid service. During activation, port your number from T-Mobile, Sprint, Verizon, or another eligible carrier. Learn more
Once you get your new smartphone from us, it's time to trade in your current smartphone. View eligible devices and get instructions on how to complete the AT&T Trade-in Program process here
After you have completed steps #1 and #2, wait for your previous carrier to send you their final bill. Once you get it, you can complete the online registration here and then upload or mail it in within 60 days of porting your number
You'll be mailed your AT&T Promotion Visa® Prepaid card within 4-6 weeks after you've completed all eligibility requirements, including keeping your account in good standing for 45 days. This means that you should receive your Visa Prepaid card 10-12 weeks after you first switched to AT&T.
Note: The value of your AT&T Promotion Visa Prepaid Card (up to $650) is based on the amounts of the Early Termination Fee or device payment plan balance reflected in your termination / cancellation fees from your previous carrier minus the Trade-in Program value of your current smartphone.
SWITCH OFFER: Limited time (ends 9/30/16 in Puerto Rico). Each line requires an eligible port-in, trade-in, purchase, service, and final bill submission. Credits may not equal all costs of switching. Eligible port-in: From eligible carrier (excludes Cricket and select others) on their term agreement or device plan (excludes third-party agreements). Must buy eligible smartphone in same transaction. Eligible Purchase/Service: Smartphone on AT&T Next or AT&T Next Every Year Installment Agreement with eligible service (excludes prepaid, Lifeline, Residential Wireless, and select discounted plans). Account and service must remain active and in good standing for 45 days. Tax due at sale. Down payment may be required. If service is canceled, installment agreement balance is due. Limit: Purchase limits apply. Trade-in: Select locations. Must be smartphone on line ported, be in good working condition with minimum $10 trade-in value, and meet AT&T Trade-in program requirements. Trade-in Credit: Instant credit or private label AT&T Promotion Card issued by MetaBank™ or CenterState Bank of Florida NA, via license from Visa U.S.A. Inc. (may take 3 weeks to receive). Credit and Card valid for 5 months and for use only to purchase AT&T products and service in AT&T-owned retail stores, at att.com, or to pay wireless bill. At participating dealers get credit (with additional terms) for use at dealer. Final Bill: Must go to att.com/helpyouswitch and upload or mail final bill within 60 days showing Early Termination Fee (ETF) or device balance (including lease purchase costs) on number ported. Final Credit: Total amount equals device balance/ETF (excludes taxes, fees, service, and other charges) up to $650 minus trade-in. Get up to $640 for device plan balance or up to $340 for ETF. Within 4 weeks after meet eligible requirements, are mailed AT&T Promotion Visa Prepaid Card issued by CenterState Bank of Florida NA, via license from Visa U.S.A. Inc. Not redeemable for cash and non-transferable. For use at U.S. locations where Visa cards are accepted through date printed on card (minimum 150 days). Additional cardholder terms and conditions apply and are provided with Prepaid Card.
GENERAL WIRELESS SERVICE: Subject to Wireless Customer Agreement (att.com/wca). Services are not for resale. Deposit may be required. Credit approval, activation ($20), and other fees, monthly, overage and other charges, usage and other restrictions per line apply. Pricing, promotions, and terms subject to change and may be modified or terminated at any time without notice. Coverage and service not available everywhere. You get an off-net (roaming) usage allowance for each service. If you exceed the allowance, your service(s) may be restricted or terminated. Other restrictions apply and may result in service termination.