ı found a clean w900 last few day ago. and ı bought ıt the device had a lock code bu ıtsa not a sım code lıke sım lock ıts unlocked device ı thınk the old owner create ıt how can ı found thıs ı try xs but when ı push the phone lock button ıt says cannot open gdfs unplug the device can some one help that ?
