Root What is fast boot?

[Tokenpoke]

As far as I can tell it's what I know as a hard reset but I'm not sure.
I'm pretty new to all this so i'm sorry if it's a stupid question.

 

[kejlyCZ]

Fastboot isn't hardreset (factory reset), it's procedure used to update the phone, refer to this post :
http://androidforums.com/lg-optimus-gt540/272113-what-rooting.html#post2237514

 

[Tokenpoke]

cool, thanks.