All i can say is that i had a similar experiance with my 6230..when i bought it initially..I called Nokia helpline a number of times..tried at the Nokia Care centres in Hyderabad & Chennai..then after a whole month of struggling i was finally able to get it rectified..& believe ...
chennai. where i showed earlier nokia care, thy r not ready to listen my problem also and she told again display gone,thz gone that gone like that.i told her plz once u check then she suggested for paid service 2000 + bucks even though i have warranty of last month (warranty end ...