how i managed to unlock my e5830 for free
here's how

get the new firmware from here
Code:
http://www.netvigatoreverywhere.com/
and download the unlock software from zibri's blog
Code:
http://www.zibri.org/2010/05/e5830-free-unlock-released.html
the above site did not load 4 me so i used the google cached
Code:
http://webcache.googleusercontent.com/search?q=cache:7F7oOIJekX4J:www.zibri.org/2010/05/e5830-free-unlock-released.html+http://www.zibri.org/2010/05/e5830-free-unloc