N73-1
5th time same software problem

I have purchesed it before two months but every 10 to 15 days the softwire is going out and i have instoled it in same nokia care (rocky agencies) chennai-14. they are semply instoling and giveing me back if the problem remains after the warinty priod what should i do so i have to go to consumer court my job sheet no is 124343506/080816/120