You can force water out of your phone’s speaker by playing a specific low-frequency tone that vibrates the speaker diaphragm rapidly enough to push trapped water droplets out through the grille. The most effective frequencies fall between 100Hz and 800Hz, and several free tools can generate these tones for you. Here’s exactly how to do it, and what to do afterward.
Why Sound Vibrations Push Water Out
Water gets trapped in your phone’s speaker grille because of surface tension and capillary action. Those tiny mesh openings are small enough that water clings to them rather than draining freely. Sound waves are really just rapid pulses of pressure moving through air, and when your speaker diaphragm vibrates, it creates alternating zones of high and low pressure right at the grille. That mechanical force is enough to overcome the surface tension holding the water in place, physically pushing droplets out of the mesh.
Different frequency ranges work on different parts of the speaker assembly. Tones between 100Hz and 200Hz create the strongest pressure swings and are best for displacing larger volumes of water. The 200Hz to 400Hz range clears medium-sized cavities and grille openings. Higher tones from 400Hz to 800Hz can penetrate smaller gaps and reach deeper into the speaker structure. The best approach is to sweep through all of these ranges rather than sticking to a single pitch.
How to Eject Water Step by Step
Start by positioning your phone with the speaker grille facing downward. Prop it against a wall or rest it on a paper towel so gravity is actively pulling water toward the opening while the sound pushes it out. This combination is far more effective than holding the phone upright or laying it flat with the speaker facing up.
Next, set your phone’s volume to maximum. Open one of the free water ejection tools available online. Sites like FixMySpeakers.com and WaterEject.com generate the right tones directly in your browser with no app needed. Tap the button and let the tone play for at least 30 seconds. You should see tiny droplets misting out of the speaker grille. Repeat two or three times, wiping away expelled water between rounds with a lint-free cloth.
If you prefer an app, search “water eject” or “speaker cleaner” in your app store. Most of these apps cycle through the effective frequency range automatically. Some let you adjust the frequency manually, which is useful if you want to focus on the lower 100Hz to 200Hz range first for a heavier initial push, then sweep higher.
Built-In Tools on Apple Watch and Samsung Watch
If you’re trying to clear water from a smartwatch rather than a phone, both Apple and Samsung have built-in features specifically for this. On Apple Watch, turn on Water Lock before swimming, then press and hold the Digital Crown until the display says “Unlocked.” A series of tones plays automatically to clear water from the speaker.
On Samsung Galaxy watches running Wear OS, go to Advanced Features, toggle on Water Lock, then press and hold the Power key to turn it off. The eject water feature activates automatically. On older Samsung watch models, swipe to Advanced, tap Water Lock, then tap “Eject water with sound” and hit Play. Neither Apple nor most Android phone manufacturers include a native water ejection tool on their phones, which is why you’ll need the browser tools or apps described above.
What Not to Do
Resist the urge to blow into the speaker port or use compressed air. Both can force water deeper into the device rather than out. Don’t insert anything into the speaker grille, including cotton swabs, paper towel corners, or toothpicks. These can damage the mesh or push debris inside. And skip the rice. Despite the popular advice, rice doesn’t speed up drying meaningfully and can leave starch residue or tiny grains lodged in your ports.
Avoid charging your phone while the speaker or charging port is still wet. Moisture in the charging port can cause a short circuit or corrosion on the connector pins.
Drying Your Phone After Water Ejection
Playing the tone removes water from the speaker specifically, but if your phone took a real dunk, moisture may have reached other internal areas. After you’ve ejected visible water from the speaker, gently shake the phone with the ports facing down to encourage any remaining water to drain from the charging port, microphone, and SIM tray. Pat the exterior dry with a soft cloth.
Then let the phone air dry in a well-ventilated spot for 24 to 48 hours before plugging it in to charge. Placing it near (not on) a gentle fan can speed evaporation. If the phone powers on and sounds normal after drying, you’re likely in the clear. Muffled audio that persists after multiple rounds of tone ejection and a full drying period may indicate water reached components beyond the speaker grille.
How Much Water Your Phone Can Handle
Most modern smartphones carry an IP67 or IP68 water resistance rating, but these have real limits. IP67 means the phone is rated to survive temporary immersion up to 1 meter deep for 30 minutes. IP68 extends that to continuous immersion beyond 1 meter, though the exact depth varies by manufacturer. These ratings are tested with fresh, still water in a lab. Saltwater, chlorinated pool water, soapy water, and any liquid with dissolved minerals are more corrosive and can compromise seals faster than the rating suggests.
Water resistance also degrades over time. Drops, temperature changes, and normal wear loosen the adhesive seals around your phone’s ports and screen. A two-year-old phone with an IP68 rating may not perform anywhere near its original spec. Treating water ejection as a quick recovery tool is smart, but counting on your phone’s rating to survive repeated or prolonged submersion is a gamble that gets riskier with age.