Unrooting Droid Four On ICS

[gorgyluh]

I used the rooting software by razrs_edge. I have not installed any ROM'S. And I am on ICS 4.0.4.

I just want to simply unroot the device. And factory reset. (Thinking of selling my Droid 4)

 

[myfishbear]

sbf it and it will restore it to default

 

[gorgyluh]

What exactly is sbf? How can I do it?

 

[myfishbear]

how to video (i know its for the razr but this method is identical to the d4 except the name. instead of spider its called maserati)
[video=youtube;WBySMO8n1r4]http://www.youtube.com/watch?v=WBySMO8n1r4&feature=related[/video]

files
rsd - flashing program (use winrar to unzip this)
Phone driver
sbf file