Oh, good. They changed out that shitty
T-FLASH microSD-to-USB adapter to something (hopefully) more reliable.
@IcyCrypt, where or which online store did you buy yours from? Yours might be a new production batch.
R4i Gold 3DS Plus hasn't been in stock at nds-card.com since late May/early June.
You can dissemble the flashcart and compare the board against
this image. Slight differences may be due to some board revisions.