Re: Possibiities
The photographic evidence shows it was the replacement model. The battery had the replacement model identifier on it and the box had the "sticker" on it that identifies replacement phones. Evidence here:
http://www.theverge.com/2016/10/5/13175000/samsung-galaxy-note-7-fire-replacement-plane-battery-southwest
So this shows Samsung are up to their usual PR managment by deliberate obsfucation. The Samsung PR department wont be so happy with the last sentence in the article:
"He has already replaced it with an iPhone 7"