urgent upgrad question

[aladdin1001]

I've downloaded the nb1 file from the xda ftp server. Now, how do i go about upgrading via USB?

ps. the nb1 file is the latest big storage rom

thanks

[oltp]

I'd say read this http://forum.xda-developers.com/viewtopic.php?t=46628 & the wiki.

It should tell you enough