i gave up man!!!...i just went to samsung yesterday and luckily they didnt ask any questions..i just handed my galaxy and they just made me wait for 2 hours and its ok now..in the receipt they mention about mother board replacement...thnx 4 the info man...really!!...becuz i didnt realize they have replace GT-19100 with the 19100G..unfortunately with some link and google i found out that G one has a different prossesor...and samsung not even mention it...i fell cheated!!....GT-19100 is the better one...