Xperia M dual speaker problem

[av]

Speakers are not  working 

unable to listen songs 

Phonne is not ringng on any incoming calls

kindly advice 

[Ashoksc19]

Visit your nearest service center and they would be able to assist you.

Find out your nearest service center click this link.

http://www.sonymobile.com/global-en/support/contact-us/

[ntows]

Xperia M Dual
Could not export contact from phone to sim card.
How should i do?