"Test System Update 2258" - Possible Beta Dash

I recently found this $SystemUpdate file on one of my Preview Dead Rising discs, when the file is opened in Horizon the title is:
"Test System Update 2258->2258 (Devkit)"

Would this be of any use? Perhaps it contains a test dashboard..


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Drop it here and let's find out

@XboxSurgeon

 

That would be fun to play with.

 

..........

 

Hey look it's -edited by mod-

 

Let's not post names of people.

 

Well that sucks.

 

So where teh dooooownloafs

 

Yep, this is something... for 1888 boxes anyways.