In store only. Eligible Devices: Samsung Galaxy S9, S9+ or Note8, iPhone X, iPhone 8, iPhone 8+ and LG V35 on installment agreement with eligible service. Free item: Samsung Galaxy S9, iPhone 8 64GB, LG V35 or equal value. Maximum savings, $899.99. Minimum savings, $699.99. Free item must be of equal or lesser value. Products must be purchased on the same receipt to receive savings. Both the purchased phone and free phone must be from the same manufacturer. Tax on full retail price of both due at time of purchase. Retail price is divided into monthly installments. Service Plan: requires eligible postpaid wireless voice & data service on both devices; and offer requires activation of one new line. Both wireless lines must be on the same account. If you cancel wireless service on one device, you will owe that device balance. Activation Fee: up to $30/each. Returns: restocking fee of $35/each may apply. Bill Credits: Applied in equal amounts to device over entire agreement term. These savings are applied directly to the customer's AT&T account and will not occur at Best Buy Point of Sale. AT&T bill credit will be applied within 1–3 billing cycles. May not be combinable with other offers, discounts or credits. Purchase, financing & other limits & restrictions apply. Offer does not apply to one-time pay. Carriers, coverage and products may vary by store. Requires credit approval, wireless service plan, qualifying device, and an installment billing agreement for the carrier's required term. $0 down for well-qualified customers. For all others, down payment and other restrictions may apply. Monthly device payments for term (18–30 months subject to carrier) at retail price. 0% APR. Sales tax (on total price) may be due at purchase. If you cancel wireless service, remaining balance on device becomes due. Restocking fee and other charges may apply. Number of financed devices per account limitations may apply. Subject to carrier terms and conditions. Terms subject to change. Excludes prepaid and unlocked phones. See a Blue Shirt for details.