A phone or tablet problem starting right after an OS update, a new case/accessory or a restored backup should be checked against that change first. For iPhone microphone capture, first record Voice Memos and front/rear video, then compare a normal and speakerphone call.
What this covers
- iPhone microphone capture with this exact failure state
- Diagnosis across bottom, front and rear microphones versus app permission, case and network call quality
What it does not cover
Try in this order
0 of 4 completedCapture the exact failure state
ReversibleNote the exact update version, accessory or backup date, and confirm the feature worked immediately before it. Expected behavior: record clear speech through the microphone selected by each app and call mode.
Isolate the component boundary
ReversibleRecord Voice Memos and front/rear video, then compare a normal and speakerphone call. Test with the new accessory removed, or check the update's known-issues note for the exact symptom. Boundary to separate: bottom, front and rear microphones versus app permission, case and network call quality.
Correct only the proven cause
ReversibleClear external obstruction, correct permission or service the failed microphone path. Reset the one setting the update changed, or replace the incompatible accessory.
Verify and stop safely
ReversibleConfirm normal operation with the change present for one full day of typical use. Do not insert tools or liquid into microphone openings.
Evidence ledger
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