i have bought w 580 mobile 1&1/2 years back for 10000/-.it worked well hardly for 4months.display has fully gone.i gone for sony centre and got it repaired by changing display & it cost me 2000/- that time.and soon after 3 months there was a problem wit out going calls.i couldnt able hear the voice untill unless i put the speaker on .again i gave in sony centre& at the same time i told them that i cant listen to any sound through headset. and they changed some item and it cost 2400/-.when the mobile came to my hand everything is fine.but the same day evening again headset is not working.but i left it.and again after two months camera is not working.i got it repaired for 1600/-.and last month there was black lines on the display and it keep on increasing which finally gone as total display blank within 2 days.i changed the display for 1300/-.but soon after one week the lines start coming on the display.and now i really feel so disgusting to go for a repair again.i want justification for my problem.