How to clean dust and lint out of your phone speaker safely

Signs it’s dust, not damage

Dust and lint tend to make the speaker sound quieter and duller over weeks or months, rather than suddenly. You may see gray fluff or dark specks in the grille holes when you shine a light on them. Calls through the earpiece may sound faint even at full volume.

Crackling, buzzing or rattling that starts suddenly, especially after a drop, is more likely to be hardware damage. Cleaning won’t fix that.

Before you start

• Turn the phone off, or at least lock it, so you don’t press anything by accident.
• Remove the case and any screen protector edge that covers the earpiece.
• Find the openings: the main speaker is usually at the bottom edge, the earpiece is the slot at the top of the screen. Some phones also have microphone holes nearby, so be equally gentle with those.
• Work in good light. A flashlight held at an angle shows debris clearly.

Method 1: a soft, dry brush

This is the method Apple suggests in its own speaker troubleshooting: if necessary, clean the speaker or receiver opening with a small, soft-bristled brush that is clean and dry.

A clean, soft toothbrush or a small makeup or paint brush works well. Hold the phone with the grille facing down so loosened dust falls out instead of in. Brush lightly across the holes in short strokes. Don’t scrub or press hard; the mesh behind the holes is thin.

Method 2: the tape trick

For lint that the brush just moves around, try painter’s tape or masking tape, which is less sticky than clear tape.

• Tear off a short piece and roll it around your fingertip, sticky side out.
• Press it lightly against the grille, then peel it away. Repeat with a fresh area of tape.
• For the earpiece slot, fold a small piece into a narrow strip and press it gently along the slot.
• Don’t use strong tape or putty that could leave residue in the holes.

Method 3: the dust cleaner tone

Our Speaker Dust Cleaner plays a tone that makes the speaker vibrate, which can help loosen fine dust sitting on the grille so the brush or tape can pick it up. Turn the volume up, disconnect Bluetooth, hold the speaker facing down and run it for a short session, then brush or tape again.

Be realistic about what it does. Sound can shake loose surface dust; it can’t pull out packed lint or a clump of debris wedged in the holes. Brushing does most of the work.

What not to poke in there

• Pins, needles, SIM tools and toothpicks can puncture the mesh or push debris further in.
• Compressed air can force dust deeper and damage parts. Apple advises against compressed air on iPhones.
• Liquids, including rubbing alcohol on a swab, can seep into openings. Apple recommends keeping moisture out of the openings.
• Cotton swabs shed fibers that end up stuck in the grille.

When to get it repaired

If the speaker is still quiet or distorted after careful cleaning, run our Speaker Test to check each speaker channel. Persistent crackling, buzzing, one speaker much quieter than the other, or sound that cuts in and out usually points to a worn or damaged speaker, and that’s a job for the manufacturer or a repair shop.

Cleaning helps with surface buildup only, and PhoneTools is not affiliated with any phone maker.