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iPhone 13 speaker cleaner for the bottom grille and the earpiece

On the iPhone 13 the earpiece moved to the very top edge of the phone, above a notch 20% smaller than the iPhone 12's. It is the speaker most owners forget, and the reason so many say music sounds fine while callers sound underwater.

Tuned to 168 HziPhone 13 and 13 miniBoth speakers covered60 second cycle
The most common iPhone 13 complaint

Music is fine, callers sound muffled

A separate cycle for the top edge earpiece, because that speaker gets dirty on its own schedule.

An iPhone 13 has two speakers, and they do not wear out together. The bottom driver handles most of the loudness. The earpiece on the top edge does double duty: it is your call speaker, and it is also one half of the stereo pair when you watch a video.

That dual role produces a symptom people find baffling. Music sounds normal, because the loud bottom speaker masks a weak partner. Calls sound like the other person is in a tunnel, because calls use the earpiece alone at a much lower level. Same blockage, two completely different impressions.

  • Music and video still fine, calls dull: earpiece blocked, bottom speaker fine.
  • Everything quiet and boxy: bottom speaker blocked.
  • One side weak in stereo when the phone is held sideways: earpiece again.
  • Speakerphone fine but handset calls poor: earpiece, confirmed.

The earpiece mesh collects a different kind of grime: skin oil, make up, sunscreen and ear wax transferred from your face, mixed with dust. It packs harder than pocket lint, so expect to need two or three short passes plus a gentle brush.

Why calls sound muffled but music does not

2021 redesign

What changed on the iPhone 13, and why it matters

The iPhone 13 looks like an iPhone 12 until you hold them side by side. Apple shrank the notch by moving the earpiece speaker up into the top edge of the chassis and rearranging the Face ID sensors, then moved the two rear cameras to a diagonal layout to fit the larger sensors. The changes are small, and two of them change how the phone gets dirty.

Change on the 13Effect on cleaning
Earpiece moved to the top edgeThe slit now faces upwards, so gravity feeds dust into it rather than away
Notch 20% smallerScreen protectors cut for an iPhone 12 can overlap the new slit position
Sensor housing at the top edgeMore hardware crowded around the same narrow opening, so less clearance for debris
Diagonal rear camerasNo audio effect at all, but it is the quick way to tell a 13 from a 12
Still IP68, six metres for 30 minutesSurvives a splash, but water in the cavity still muffles sound until it leaves

That upward facing slit is worth a second look with a torch. If you see a pale line rather than dark mesh, the earpiece is holding a compacted layer of dust, and it will be dulling your calls.

Two pass routine

Clean both iPhone 13 speakers properly

Bottom speaker first, earpiece second. Doing them in the same pass is how people end up thinking the tool did nothing.

1

Case and protector check

Case off. Look at whether the screen protector sits over the top edge slit.

2

Bottom grille down

Right of the Lightning port. Full volume, Water Eject or Dust Shake, one whole cycle.

3

Tap while it runs

Light taps on the back panel shake debris the tone has already loosened.

4

Now the top edge

Turn the phone so the earpiece slit faces the floor and run the earpiece cycle at arm's length.

5

Brush the slit

A soft dry toothbrush stroked along the opening, never poked into it.

6

Call someone

A real call is the only honest test of an earpiece. Voice quality tells you more than any tone.

Rule these out first

Three iPhone 13 problems that are not blockage

Each of these imitates a dirty speaker, and no amount of cleaning will touch them.

Screen protector overlap

A protector fitted a millimetre high covers part of the top edge slit. Peel a corner back and make a test call.

Audio balance slider

In Accessibility, a stereo balance slider nudged left or right makes one channel quiet on every app. Check it before cleaning.

Phone Noise Cancellation

If your iOS version still lists it under Accessibility, Audio and Visual, switching it off has fixed plenty of tunnel sounding calls.

FAQ

iPhone 13 speaker questions

Where is the earpiece speaker on an iPhone 13?

On the top edge of the phone, above the notch, rather than in the notch itself as on the iPhone 12. Hold the phone up to a light and you will see a thin slit along that edge.

Why do callers sound muffled when music is fine?

Calls use only the earpiece, while music uses the earpiece and the much louder bottom speaker together. A blocked earpiece is easy to hide in stereo playback and impossible to hide on a call.

Can I run the tone with the phone against my ear?

No. Keep it at arm's length. The cleaning tone is deliberately loud, and the earpiece is designed to sit millimetres from your eardrum. Set the phone down, let the cycle play, then test.

Is the iPhone 13 mini any different?

Same speaker layout and the same cleaning routine, in a smaller body. The mini has less internal volume behind the bottom driver, so blockage tends to sound thin rather than simply quiet.

Does my screen protector really matter?

It can decide the whole problem. Protectors cut for the iPhone 12 notch sometimes sit over part of the relocated slit. Lift one corner, make a call, and you will know in ten seconds.

Is the iPhone 13 waterproof?

Water resistant, rated IP68 and tested to six metres for thirty minutes when new. Apple notes that resistance decreases with normal wear, and liquid damage is excluded from warranty cover.

Three cycles and nothing changed. Now what?

That result is useful: it points at hardware rather than debris. Run the iPhone speaker test to document what fails, then book a Genius Bar appointment with that evidence.

Two speakers, two minutes

Clear the grille and the earpiece

Do the bottom speaker, then the top edge, then make a real call to check.