Sony Ericsson Z610i mic repairing

[gino]

The mic of my Sony Ericsson Z610i doesen't work anymore. How can i replace
or remove it from pcb? Does it need hot air?
Herse some pics, front and back of my opened cell phone

http://img43.imageshack.us/i/0cellback.jpg/

http://img704.imageshack.us/i/0cellfront.jpg/

here a kind of rectangular mic founded in the web, very similar of mine

http://tinyurl.com/29ty2by

or

http://www.uxsight.com/product/41618/internal-microphone-mic-repair-for-sony-ericsson-k810.html

thx!