Sprint wants customers to buy the iPhone 4S and is offering a US$100 credit for the 4S to anyone who brings in an older iPhone as a trade. Details of this trade-in offer was published by TechnoBuffalo, who received it from a trusted source. This offer is supposedly available to both new and existing customers who agree to a new two-year contract and will last until June 30.Sprint to offer $100 towards iPhone 4S upon trade-in originally appeared on TUAW - The Unofficial Apple Weblog on Fri, 18 May 2012 09:00:00 EST.
