I AM NOT HAPPY TO USE KARBONN MOBILE I HAVE KARBONN S5 TITANIUM AN IT ONLY ONE MONTH BUT TODAY WHEN I CALLING AUTOMATIC SWITCH OFF AN NOT ON HOLE DAY. ALSO WHEN I CALLING IT AUTOMATIC SWITCH OFF HANG, SLOW, OTHER ISSUE.YOUR SERVICE CENTRE ALSO IN CLOCK TOWER CHAKRATA ROAD DEHRADUN. WHEN I GO TO SOLVE MY PROBLEM THEY SAY ARE NOT SERVICE KARBONN MOBILE.HOW TO SOLVE MY PROBLEMS TODAY HOLE DAY OFF MY MOBILE NO ANY CONTACT .SO FACE PROBLEM, SO I AM NOT HAPPY AN IN FUTURE LIFE NEVER BUY KARBONN MOBILE, IF YOUR SOLVE MY PROBLEM I THANKS CAN YOU TELL ME HOW AN WHOSE SERVICE CENTER SOLVE MY KARBONN S5 MOBILE PROBLEM.