[SprintTouch08]

well seeing as the phone has only been out a week or 2 i highly doubt its for sprint. also sprint doesnt just do a radio update, itd be a whole ROM.

also always try googling stuff like that for info "diamond radio 1.00.25.05" usually youll get links to xda developers when its GSM stuff. When you see the search results itll be apparent its for GSM.