The mighty headphone jack makes a valiant return. Its gasket protects the phone, and its modularity promises an inexpensive repair should it need replacement.

We snag the multi-purpose daughterboard assembly, featuring coaxial interconnect cables, microphone, USB-C connector, and oodles of spring contacts.

The daughterboard-mounted charging port is a cheaper and easier replacement than one on the motherboard. Thanks, Samsung!

Next out is the second of the speakers—the earpiece—which newly doubles as a loudspeaker, enabling not just stereo but "surround" sound (such as a phone can offer).