I'm having the exact same issue and it's with my second phone. I used to have this happen on my original S8+, I cracked the screen, got a new one, and the new phone has the same problem. Was not in contact with any water, but won't let me charge whatsoever, on or off, and keeps saying moisture detected. I've tried using blow dryers, my car's AC, napkins to try and get it to "dry", but nothing. What's the point of having a phone that won't let you charge and is just dead for days at a time?
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