My phone i bought as tokunbo frm phone dealers is having ths fault dat wen making calls, my receipient couldnt hear me until i shout so loud bt i cn hear them clearly,pls anyone wt clue of wat might b d problem and solution. The phone is sonyericsson k810!. Ur suggestions wl b highly appreciated.

it is the mouth pics problem, take it to the engineer and tell them to help you to replace d mouth pic or they should service it first