Faulty Apple Iphone 4s with warranty and box ?

selling my faulty iphone 4s getting a software issue, stuck in recovery mode in very good condition. i was upgrading to 5.1.1 and i accidentally disconnected the iphone and now is stuck in recovery mode. when i connect it back it say error 21. when the phone was fully working, the earpiece mesh fell out, but the earpiece was still working. iphone serial number, DNRGMBDADTD2 great condition still has warranty comes with the box only, no accessories. texts and calls to 07766658740 buyer will have to collect cash on collection