Iphone 4, Black 32GB, boxed,on O2 network , Faulty screen !

hi im selling my iphone 4 black 32GB in very good cosmetic condition ( no scratches) only problem is touch screen not responding, its on 5.1.1 firmware,... i have its original box and used accessory, call me for further detail. 230 ono for quick sale 07886812264