Eli5: How are phones waterproof even though the charging port terminals can be exposed to water and not short circuit them?

Question

Eli5: How are phones waterproof even though the charging port terminals can be exposed to water and not short circuit them?

In: 4320

Answer 1

To add to other responses, it’s not the water that kills electronics. It’s the water along with the electricity that will kill it.

You could dunk an entire circuit board into water and as long as you fully dry it, itll work fine. This is what some people do with ultrasonic cleaners.