The Samsung Galaxy Z Fold 3 could switch to capacitive touch sensors.

There’s a reason why physical buttons have persisted on smartphones and most wearables over the years. Capacitive sensors work, but they’re not as intuitive or reliable as a regular button, especially on sporty wearables, when rain and sweat can interfere with use.

So you might think that a new patent suggesting that Samsung is planning to ditch the physical buttons on a foldable would be bad news.
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