[Resolved]  Nokia 5610 — phone restarts frequently

My name is suresh i bought nokia 5610 red on march 2008 for 11, 500 rupees in bangalore ( india), the phone basically hangs and restarts frequently, and i thought it mat be a VIRUS, but one day it completely stoped working i.e, it just starts and switch off immediately with out going to desktop, so i visited nokia care they just solved my problem by just flashing my phone and after 3 months the same problem occured so i again visited nokia care they solved the problem with similar fashion, so i calmly went from then and after 2 months the new problem arroused this time display gone and the software problem arroused again, and in routine i visted nokia care but this time also they kept for 15-20days and got repaired for me in similar fashion ...
and presently the same problem is arousing and warranty is finishing off in just a month, so is their anybody for helping me ..
IF ANYBOBDY PLEASE CONTACT SURESH [protected] plz plz HELP ME OUT FROM THIS PROBLEM ...bECAUSE I HAVE PURCHASED FOR A HUGE SUM OF MONEY...