It helps in many cases, especially with recent smartphones. Results vary by model, volume, and how much water/dust is present.
Start low. Increase gradually until you hear strong output. Short runs at higher volume are safer than long continuous playback.
15–45 seconds usually does the trick. Try different presets if the first one doesn’t help.
No. When available, vibration can help move moisture, but audio alone often works.
No. Preferences are saved locally in your browser. There’s no tracking in this MVP.