Apple IPHONE 4 32GB Black, ?

Apple Iphone 4 32GB black. I used O2 but think is Unlocked Box with new USB cable & UK charger no earphone. One new front screen protector. No scratch & damaged always use back & Front protection I am selling my Iphone 4 NOT 4S, due to an upgrade comes up. Do not need 2 handset. This phone is very good condition. No time waster ONLY serious buyer and cash collection please. Serious Offer will be consider Please contact me if you interested and i will happy to reply.