Find a software called NSS to change ur phone product code to ME. Then use nokia software updater to flash.Make sure u got the correct product code

Nemesis Service Suite
http://www.b-phreaks.co.uk/software.htm
Try this link http://littleway.blogspot.com/ scroll down n there is a guide teaching u how to flash

This is free but there is of coz risk involved.So do at ur own risk. Y u need to board? Try to google the firmware urself la.The 2nd website i gave u got a lot of info there dy. All u need is the N70ME product code. Use the NSS to change ur phone product code to N70ME's product code. If u dun like it after flash it, find back N70 ori product code, change it usin NSS n u can easily flash back to ori setting.