iphone 4 32gb perfect condition boxed plus 100 pound for your galaxy s 3 *

i want to swap an iphone 4 32gb that ive bought on pay as you go about 10 months ago and i am willing to pay 100 pounds on top for a galaxy s3 the iphone has not been used much because i did not have it on contract you can tell by the condition please txt me if interested 07877554310