hi
my self ilyas ahemd i have purchase a samsung mobile corby GTS -3653 from unviercell mobile on 28/oct /2010 after 20 days the back button and lock key

are not working properly i went to samsung authorised service center at basheer bagh hyderabad . the have solved the problem but they destroy my phone mic as well as

speaker iam not able to listen the ring tone when call is coming and my voice is not going to others but i can hear the sound those who call me in the samsung service center

the technicans are not experinced they not working properly so sir i plea to kindly solve my problem or exchange a my mobile number is 9700007740 so plz solve my problem as son as possibe