china nokia c700 earpiece not working...
 

PLS HELP CHINA NOKIA C700 NO KEYPAD SOUND AND NO VOICE DURING CALL BUT LOUD SPEAKER IS WORKING HEADPHONE IS WORKING TOO BUT no SOUND WHEN CALLING AND DIALING KEYS...
i hav tried to clean even rehot but same problem
i dont know the earpiece ways of
CHINA NOKIA PHONE...MODEL C700

pls any help
i need to solve this problem fast

please some should help me if this is software or hardware problem