I don't recommend flashing this ROM since is undowngradable but you can still follow this steps:I am on 2.51 rooted rom. Can someone help me confirming that i just flash sbf from 1st post and i will be strt on froyo from eclair? do i need to flash any boot file as well? i have blur acct setup on this phone ... thx for your help
http://forum.xda-developers.com/showthread.php?t=934366