I sell items that have been lost in the mail (for various reasons, wrong address, not correct postage, etc), so often I don't know much besides what I can gather from the info on the product. There was no paperwork with this, just the sticker. I *think* it's an original Samsung because it says "OEM pull B" on the tag, but I don't know for sure, and I basically know nothing about cell phones, sorry. If you're buying this, you know a whole heck of a lot more than me, so I'm afraid I won't be able to answer any questions. I'm selling it for less than others I've seen becuase of my lack of info :)
eBay