AT&T SGNote-Screen Mode missing?

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I finally checked out the SGNote today in an AT&T store for an hour (both it & a case fits in my pockets & feels fine in my hand/s but the huge screen is startling at first then I started getting used to it) but they did not yet make the S-Pen available to play with (fearing people would steal it I guess).

One thing I did not see was Settings->Display-Screen Mode->"Dynamic, Standard, Movie"?

A Google now turned up:

http://phandroid.com/2012/02/18/sams...y-note-review/

"One of things sadly missing from the Note (and is present in the Epic 4G Touch) was the Screen Mode option in the display settings. Not exactly sure why all Samsung SAMOLED devices don’t have this option but it was disappointing to see this left out of the Note. Being able to turn down/max out the amount of color saturation on your SAMOLED device is one of the best ideas since.. well, SAMOLED."

WTF? Why? -Thanx

Sorry just noticed http://forum.xda-developers.com/forumdisplay.php?f=1494 but I'm still curious from people here as well why AT&T removed this?

http://forum.xda-developers.com/show...php?p=22729889

I assume if I get the AT&T version, root it I could add it back?

How easily? Please confirm -Thanx