I have
HKLM\Comm\InternetSharing
Extension = "" (blanked by me)
Under settings, I have MaxCMConnectRetries = 0, and nothing else. maybe I deleted something else and forgot about it, but
AFAIK I just used this:
http://www.sprintusers.com/forum/sho...d.php?t=164429
You have to select "Sprint Data" as the network connection when you run ICS, by the way.