> The only thing I can come up with is to allow a “thinner” design. The thinnest iPhone ever was the 6s, which had a headphone jack so that doesn't hold water.

> The only thing I can come up with is to allow a “thinner” design. The thinnest iPhone ever was the 6s, which had a headphone jack so that doesn't hold water. The only justification that I know that works out is that by removing the headphone jack you do free up a bunch of space inside the phone, which can be used for more electronics or battery.