apple iphone 4 16gb black o2 !

my payg iphone 4 in very good condition. 3 months old. on o2, brand new payg sim included. with £10 credit, so its ready to use straight away. have not tried it on any other network. comes with charger , earphones, cant find the box, sorry. have ordered a hard case for it, this will be included if it arrives in time, or can be sent later. full receipt given. may part ex for very good blackberry or smart phone, with cash my way. (not 9300 or anything of that type.) uk, cash sale only.