MY APPLE IPHONE 5 TURNS OFF SUDDENLEY SINCE LAST 1 MONTHS ,YESTADAY VISITED APPLE SERVICE CENTER .THEY RESTORED THE PHONE AND GAVE ME .TILL THE SAME PROBLEM PRESIST ,MY PHONE TURNS OFF SUDDENLEY....WHAT SHALL I DO ....I PURCHASED IPNONE 5 LAST YEAR 26-11

MY APPLE IPNONE 5 TURNS OFF SUDDENLEY.SINCE LAST ONE MONTH ...IF I PRESS THE POWER BUTTON IT IS NOT STARTING ..WHEN I PRESS POWER AND HOME BUTTON IT IS STARTING....AND AFTER SOME TIME IT IS TURNING OFF SUDDENLEY..YESTADAY VISITED APPLE SHOW ROOM ...WHICH IS AT ANNANA NAGAR.... CHENNAI...TAMILNADU... INDIA....THEY RESTORED MY PHONE AND NOW THE PHONE IS LIKE A NEW ONE BUT YESTADAY EVENING SAME PROBLEM STARTED ....I PHONE 5 STARTS TURNING OFF SUDDENLEY...SINCE YESTADAY 2 TIMES IT HAPPENED.....AFTER RESTORING...I PURCHACED MY APPLE I PHONE 5 LAST YEAR .....26-11-2013 MONDAY AT ANNAN NAGAR APPLE SHOW ROOM ....CHENNAI TAMIL NADU ........STILL I HAVE WARRENTY ....PLEASE ASSEST ME TO SOLVE THE PROBLEM.......WHAT SHALL I DO,,,,,,,,,

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