Apple® Article - If you can't hear a person on a call or voicemail or if the sound quality is poor on iPhone

If you can't hear a person's voice clearly or hear crackling, static or experience poor voice quality while on a call or listening to a voicemail, view this info.

Navigate to If you can't hear a person on a call or voicemail or if the sound quality is poor on iPhone then follow the step-by-step instructions.

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