Are you still one of the few that doesn’t have an iPhone 4? Well Target will take that iPhone 3G or 3GS off your hands and give you $200 credit for a new one. However the catch is that the iPhone 4 you’ll get,will be a AT&T one. Those who come in with a working iPhone 3G or 3GS and sign a two-year contract with AT&T will receive these credits. AT&T is really pulling out the stops…however will the agony of dropped calls really entice perspective new customers? Who knows. Consumers will get a $100 credit for an iPhone 3G 16GB and a $200 credit for an iPhone 3GS 32GB which can then be applied to a new iPhone 4 16GB priced at $199 or an iPhone 4 32GB priced at $299. In order to take advantage of this offer you will need to head to a Target that has a Target Mobile area, there are currently 846 of them located in Target stores nationwide.