Hi, Iwas purchased Samsung Mobile C3330 CHAMP2 from Mobile Sales Center UNISERVE TELECOMPVT LTD, 1st Block, Rajajinagar, Bangalore on 06-01-2012 bill 09560/11-12 .After use ofonly 2 days, the mobile automatically switch off after receiving call. Hencei submitted the mobile at its authorized service center “Samsung ServiceCentre, VAISHNAVI ENTERPRISES, NO-3/84,WARD NO -3,KalammaStreet,Bellary,karanataka. ” on 19-01-2012 . The service center’s agenttold me that the problem of software then after two days the service centersagents told me that the it has been mother board problem but the service centeras not responding me properly , Till the date they did not solved my mobileproblem , Telling irresponsible reasons whenever I visit to the service center. About 3 week I did not get mobile back. Pls solve this issue as soon aspossible or pls refund me .