IPhone 3GS 16g looking for swop for iPhone 4 or 4s (orange) ?

Hi there. I have an iPhone 3GS in good condition. Just one small crack to the back. Front always been protected. It is on orange. Looking for a deal with a iPhone 4 or 4s which would also need to work on orange. would add some cash too obviously. Many thanks. all brand new "bumper" brand iphone cases 10 pounds each contact me via e-mail please comes in different colours white and orange outline white and green outline white and blue outline white and pink outline if you want more pictures, feel free to e-mail me and ask, i will reply asap Thank you! in fantastic condition comes with box and new accessories locked to vodafone for further information call: 07730029828 Samsung Galaxy Note N7000 White Factory Unlocked for all networks Comes brand new boxed complete with all accessories. Buy from a trusted seller Can meet for collection hi im swapping my galaxy note 16gb unlocked boxed amazing condition with cases and hdmi link pls contct me on 07873847059 if you have htc one x white galaxy s3 iphone 4s white or will take 350 for it