replacement of mob I m having problem with my mobile. my model is Nokia 6300 . i have purchased this is 3 month before Job sheet no. is 486465550/090721/13 . whenever i swith on my mob it shows a messgae "contact service" . after this msg nothing to display. it s empty screen. i have alredy given to nokia care centre . they repaired this 3 times but its only temperary solution. still this msg shows on. Can you please inform me how long I have to wait? or can u replace this mob? even next low price mob is enough for me. thirsangu R. 2/3 appu street, G2 rukmain flats valluvarkottam high road, chennai-34