Sprint offers $100 off iPhone 4S for competitor trade-in May 19, 2012 by admin Tweet Sprint is now offering $ 100 off the purchase of a new iPhone 4S if you trade in an iPhone from a competing wireless carrier such as Verizon Wireless and AT&T until July 1st. Read more… Neowin Related Posts:Apple cuts trade-in values for older iPhone models,…Specs Appeal: Comparing iPhone 15 Pro, iPhone 14…Specs Appeal: Comparing iPhone 15, iPhone 14, and iPhone 13Specs Appeal: Here are the differences between…Specs Appeal: iPhone SE 3 vs iPhone SE 2 vs iPhone 8