I have a droid Razr, System 6.12.181.xt912 2.3.6 Build 6.5.1-167 rooted, no rom's installed. Used clockworkmod recovery v18.104.22.168 how do i unroot to update to ICS and should i? I tried voodoo OTA but no luck. Still learning this stuff so i'm no expert. Main thing for me is not to brick it.