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<p data-start="6099" data-end="6848">I'd like to learn more about safe methods for cleaning smartphone speakers without causing accidental damage. I've already heard about using a soft brush and compressed air, but recently I discovered browser-based speaker cleaning tools that generate specific sound frequencies. Some users claim these frequencies help remove moisture or small particles from the speaker. I'm curious whether there are any scientific explanations behind this technique or if it's mainly based on user experience. I always prefer trying safe troubleshooting methods before opening a device or paying for repairs. If you've researched speaker maintenance or successfully improved your phone's audio quality, I'd appreciate hearing what methods worked best for you.