How do I fix this? (Water Damage)

As waterproof as new smartphones are, the lightning port should not plugged in while its wet. iPhone X Lightning Connector Assembly We have the lightning port that you can replace to fix it. Also just don’t wash your phone like that, get a sanitizing wipe or even just paper towel with a little bit of water on it to wipe it down. Phones are waterproof for emergency purposes like accidentally dropping your phone in the pool, sink, etc. To be safe if your phone ever gets wet you should wait a long time before plugging it in to not cause a short in the lighting port.