Help with over clocking LTR-40125s

I have a ltr-40125s should I flash it to the 48125s or the 48125w.
and can some one tell me the steps on going about doing it .or can I just flash it with the 48 update rite from liteon site ?

thanks

flash to 48125W with VS08 firmware by use mtkflash

grab it all @ http://liteon.notrix.net/

mtkflash guide @ http://club.cdfreaks.com/showthread.php?s=&threadid=42502

can I just flash it with the 48 update rite from liteon site ?

You can’t bypass the model checking of Windows Flash from LiteON site,the only way is use mtkflash