Before we leave the board, let's talk waterproofing. We found some! There are black silicone seals surrounding all these flex cable sockets—as we found previously on the OnePlus 5, and just like on every iPhone since the 6s.

Moving down to the other end, under the single loudspeaker assembly, we find more gaskets surrounding the speaker grille, USB Type-C port, and nicely modular headphone jack.