Symptoms

Audio problems we can look at

If you recognise any of these, it is worth having the device looked at. Bring it into the shop and we can tell you what is actually going on.

  • Callers say they cannot hear you, or that you sound muffled or distant
  • The earpiece is silent or very quiet during calls
  • The loudspeaker crackles, buzzes or distorts, especially at volume
  • Sound is muffled as though the speaker is covered
  • No sound at all from the loudspeaker
  • Audio works on speakerphone but not on a normal call, or vice versa
  • Video recordings have no sound, or very poor sound
  • Voice assistants and voice notes do not pick you up
  • Audio only works when headphones or Bluetooth are connected
  • The phone thinks headphones are plugged in when they are not

What it may indicate

Possible causes

The same symptom can have several different explanations, and telling them apart is the point of an inspection. These are the possibilities we look at — not a diagnosis of your device.

Blocked speaker or microphone grilles

Dust, lint and pocket debris build up in speaker meshes and microphone ports and muffle the sound considerably. This is common, and cleaning is the first thing to try before replacing anything.

A failed speaker or earpiece

Speakers are moving parts and they do wear out or blow, particularly if a device has been played loud regularly or has taken a knock. Crackling and distortion that gets worse with volume is a fairly typical sign.

A microphone on a shared flex cable

On many phones the main microphone sits on the same flex cable as the charging port. If both audio and charging problems appeared at the same time, that connection is a sensible place to look — see charging port repair.

Liquid damage

Speakers and microphones are among the first components affected by moisture, because they are open to the outside by design. Muffled or dead audio after any liquid exposure is worth treating urgently — see liquid damage.

A software or settings fault

A phone stuck thinking headphones are connected, an app holding on to the microphone, or an audio routing bug can all mimic a hardware failure. We check that before recommending a part.

What will it cost?

Repair costs depend on the device, the model and what the inspection actually finds, so we quote per device rather than publishing a figure that would be wrong for most people. Send us the make, model and fault and we will give you a straight answer.

Questions

Speaker & Microphone FAQs

People cannot hear me on calls but voice notes sound fine. What does that mean?

That is a helpful clue. Phones use different microphones for different tasks, so if one works and another does not, it usually points to a specific microphone rather than a general audio fault. It also makes a software problem less likely.

My speaker sounds muffled. Can it just be cleaned?

Often, yes. Speaker meshes clog with pocket lint and dust, and the effect on sound is significant. Cleaning is always the first thing we try — we would rather not replace a working speaker.

My phone thinks headphones are plugged in when they are not. Is that a hardware fault?

It can be either. Debris or moisture in a headphone or charging port can hold the phone in headphone mode, and it can also be a software issue. Both are worth checking, and the diagnosis is straightforward.

Can a speaker be repaired or does it have to be replaced?

If it is blocked, it is cleaned. If the speaker itself has failed, it is replaced — the components are not economically repairable in themselves, but they are usually straightforward to swap.

My audio stopped working after the phone got wet. Is that fixable?

It may well be, but time matters. Corrosion continues to spread after the liquid has gone, so the sooner it is looked at the better the chance of a good outcome. Please see our liquid damage page and bring it in rather than waiting to see if it dries out.

More questions? See our general FAQs or get in touch.

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