Moisture Detector Gone Awry

[Andrew Thompson]

I have a Samsung Galaxy S9 Plus and the moisture detector sensor keeps going off. The phone has been nowhere near any water. The phone won't charge because the detector goes off when I plug it in. I have tried several chargers and cleaned it several times but no luck. If I reboot the phone and plug it in while loading, on occasion it will charge for 30min but then start up again. Also, the phone seems to drain quicker because of it also. I wonder if the phone needs a new charging port, or it could be a software issue.

 

[Samsung]

I know you claimed the phone hasn't been near water but it's very possible (perhaps likely) that moisture somehow snuck awkwardly into a port when you didn't notice. Maybe your hands were wet, there was steam in the bathroom, it was humid that day, or someone else got it wet and dried it off when you weren't looking.

Treat it this as if the phone actually got wet- if just to completely rule out the possibility. Put it in rice, blow a hairdryer on it, get a pressurized can of air you use to clean keyboards, etc... and see if you get any results.