Uh, they're wet. We need to dry 'em out.

[This is such common knowledge that even Junpei knows it. Is this guy pulling his leg?]

If we try to turn 'em on right now, they'd be ruined. If you stick a wet phone in a bag of dry rice, it'll suck the water out and with any luck, they'll still work.

[He's not saying he's dropped his phone in the toilet before had had to do just that, but he's also not not saying that.]