I AM BUY A MOBILE OF SAMSUNG COMPANY MODEL SGH-F480i ON DATED 08/08/2009. BUT AFTER ONE YEAR PROBLEM HAS BEEN ACCURED IN HARWARE. I AM HARDWARE CHANGED THOUGH SERVICE CENTRE MORADABAD IN COST OF 6000/- ( SIX THOUSAND RUPEESONLY). AGAIN AFTER TWO MONTH PROBLEM HAS BEEN REPEATED. SO KINDLY SUGGEST ME i.e WHAT IS THE REAL PROBLEM AND ITS SOLUTION. FOR IN FUTURE THAT PROBLEM IS NOT REPEATED.