Nokia
Help properly

Hi sir

I am using nokia n81 handset..and few months ago earpiece of my handset was not working. I went to nokia care Adajan road branch, Surat, Gujarat and that problem was being solved but after a month that same problem was arised..I again went to nokia care but they didnt give a good responce..Then i went to another branch of nokoia care on Sumul dairy road, Surat, Gujarat..They didnt even solve the problem but they damaged the keypad... My handset is in warenty period ..please help me properly and suggest me what should i do?

if you can help then please suggest me what steps shouid i take further..

thanks