Samsung Galaxy S2 sell £275 or swap with high spec laptop or iphone 4s S3 *

Hi i am selling my Unlocked samsung galaxy s2 handset spotless except a minor blemish or scratch on side of the metal top right corner thats it. its on ICS very well maintained used for few months definitely works on T-mobile and vodafone.. i havent checked other sim though i think if it works on t mobile and vodafone aswell so it should work on other networks too. if you just want to buy the price is 275 a little bit negotiable and want to swap i am looking ofr i5 or i7 processor laptop and also iphone 4s or samsung galaxy s3 i will pay little bit cash on top. so guys what you waiting for reply asap.