Symptoms
- No sound or very quiet sound when speakerphone is tapped
- Speakerphone icon shows as active but nothing plays
- Regular earpiece call audio works fine
- Media playback speaker also seems quiet
Likely causes
- CommonDebris blocking the bottom speaker grilleThe main speakerphone speaker sits at the bottom edge and collects pocket lint easily.
- CommonCase covering the speaker openingA misaligned or thick case can muffle or block the speaker entirely.
- PossibleStuck audio route from a prior Bluetooth connectionThe phone may still think audio should route elsewhere even after speakerphone is tapped.
- PossibleVolume set very low or mutedSpeakerphone uses the media/ringer volume, which may be turned down separately from call volume.
- Less commonSpeaker hardware damagePhysical damage or liquid exposure can silence the speaker permanently.
What to do
- Check the volume buttons and turn the volume up while on speakerphone.
- Remove the case and check the bottom speaker grille for lint, cleaning gently with a dry, soft brush.
- Toggle speakerphone off and back on during the call to force the audio route to reset.
- Turn off Bluetooth to rule out audio being routed to a paired device instead.
- Play music through the same speaker to see if the issue affects all audio or just calls.
- Restart the phone to clear a stuck audio session.
- Test speakerphone again after restart with both a call and media playback.
- If the speaker stays silent across calls and media after cleaning, have it checked for hardware damage.
Tools and parts
- Soft-bristled brush
- Flashlight
Replacement loudspeaker moduleSearch: “iphone loudspeaker replacement”
When to call a pro
If speakerphone stays silent for both calls and media after cleaning and volume checks, a repair shop can test the speaker hardware.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.