Why would you have two contracts? Buy iPhone 3GS June 2009, Contract ends in June 2011. June 2010, sell 3GS, buy iPhone 4 and now contract ends 2012. It is an

Why would you have two contracts? Buy iPhone 3GS June 2009, Contract ends in June 2011. June 2010, sell 3GS, buy iPhone 4 and now contract ends 2012. It is an early upgrade which requires you to sign a new two-year contract.