Use a Low-Frequency Sound to Get Water Out of Your iPhone

You’ve dropped your iPhone into water, and now you’re rushing to dry it off. What you do next is important, because any lack of agency could leave water stuck in your device, which could result in a non-responsive screen, a muffled speakers and a damaged phone. But before you rush to throw your iPhone into a bowl of rice, there’s a neat trick involving a low-frequency tone that can help get out water trapped in the speakers.

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