I've been reading all the posts since the recall, and this is my very first post as I feel it would be helpful to share my exchange experience with you all that purchased from Sam's Club. Sorry in advance for the long post.
Background: My husband and I both purchased Note 7 (AT&T) from Sam's club in August (at different Sam's locations though). Called the local Sam's club this morning, they only have new ones from Verizon and don't know when the other carriers' devices will come in. We're located in North of Houston.
I called the nearby AT&T company store this morning and they said they have many available for swap and available in all the colors. I know some people have been saying that the AT&T store would not do the exchange for them so I have prepared for the worst scenario, that if they decline to exchange ours, I would politely ask them to provide me in writing that they refuse to exchange and I would file a complaint with CPSC.
Anyway, we went directly to the AT&T company store, just told them we're here to exchange the Note 7s. They didn't question where we bought the phones originally. However, when they started doing the exchange process, they hit a couple of road blocks and realized we didn't purchase from AT&T directly. Then they said they have to do some special exchange process (and manager needs to do some approval ...) but never told us to go back to Sam's club. It took a bit longer for them to do the exchange on our first device since they haven't done this special exchange before, but the 2nd exchange went very quickly. And we are also allowed to choose a different color. It took about an hour to do the swaps for the two phones, not too bad.
As far as the accessories, they said they only need the phone and a box to ship the phone back, so we were able to keep all the original cables and chargers. And I gave them back the old boxes.
On a side note, when I walked in, I have all the original boxes/receipts from Sam's club with me, I also carried them in the AT&T bag that Sam's club gave me when I got the phone. Though AT&T never even asked me to show the receipts.
I feel that going thru the exchange at AT&T store would be faster than the Sam's club since they just did exchange and not returned and re-purchase (which I think that would be Sam's club' process).
Also, they said they're only doing exchanges right now and is not yet selling the new devices to the public yet.
I would encourage you to try out AT&T company store first if you're still waiting for local Sam's Club to get new devices.
GOOD LUCK!!