I own Samsung Galaxy S9 (SM-G960F). I recently went to the pool and
dropped my phone into the water. Despite of the IP 68 rating water went
inside (which should not happen) the phone and it switched off. The
screen now has a visible line and the mic ...
Don't use hairdryer. let it dry for a few days, not in direct sunlight
though. You can use one of those pouches that come inside water bottles
to absorb moisture or else you can keep your phone in rice for a couple