iphone 4s cash or swap !

Iphone 4s in white 16gig boxed three weeks old not a mark any were on phone still got over a year apple warranty on its on tmobile/orange Swap for iphone 4 and cash must have box must be in the same condition as mine needs to be on three or vodafone or unlocked or al swap for two 3gs and cash must have boxes and be in mint condition Or i will sell for 350 cash ovno