KARBOON MOBILE PROBLEM

Location/place: HYDERABAD

Name of company/service: KARBOON MOBILES

I PURCHASED KARBON MOBILE K102, BUT PHONE IS SOME PROBLEM, IT IS NOT WORKING, I GIVE TO SERVICE IN HARI MOBILES JUNE2012,THEY RETURN WITH MOTHERBOARD CHANGED, THE PROBLEM NOT SOLVED, AND AGAIN GIVE SERVICE TO HARI MOBILES, TILL NOW NO RESPONSE