A phone or tablet feature that has completely stopped should be checked for a disabled permission or setting before assuming hardware failure. 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
ReversibleCheck whether the feature is grayed out, missing from settings entirely, or present but unresponsive when used. 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 the same feature in a different app that uses it, and with recently installed apps disabled or in Safe Mode. 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. Re-enable the permission or setting, or update/reinstall the one app where it fails.
Verify and stop safely
ReversibleConfirm the feature works from a cold restart in at least two different apps. Do not insert tools or liquid into microphone openings.
Evidence ledger
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