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Cleaning your phone speakers can significantly improve sound quality and prevent damage. To start, turn off your phone to avoid any potential damage. Use a soft-bristle brush, like a toothbrush or paintbrush, to gently brush away any dirt or debris from the speaker grills. If you have a can of compressed air, use short bursts to blow out any particles that may be lodged inside the speaker openings. Be cautious not to blow directly into the speaker too closely to avoid damaging the internal components. For more stubborn debris, you can use a toothpick or a SIM card ejector tool to carefully dislodge any particles, but be very gentle to avoid puncturing the speaker mesh. Use tools like fix my speaker to clear fix my speaker

Next, wipe down the area with a microfiber cloth. If needed, slightly dampen the cloth with a small amount of isopropyl alcohol to remove any residue, but ensure no liquid gets into the speaker openings. After cleaning, let your phone dry completely before turning it back on.
To prevent further build-up, consider using a phone case with speaker covers and avoid exposing your phone to dusty or dirty environments. Regularly cleaning your phone speakers can keep your device functioning optimally and extend its lifespan.