iphone 4s on o2 contract .

I am advertising my iphone contract for anyone who would be willing to take it on for me. the contract is 42 pound per month and there is 16 months left of the 2 years. the contract contains 900 minutes unlimited texts and 500mb of uk data. the phone comes free of charge of course and is black i am leaving the country next month an the phone and contract will be no use to me. i live in augher but will be willing to travel for the switch over.