1. First confirm whether the headset is standard on the phone. Headphones that do not conform to the standard are not compatible and cannot use the microphone.Wired Headphones With MIC This is a compatibility issue. Replacing the standard headphones will do the trick.
2. Determine whether it is a mobile phone or an earphone, and test your own earphones and others' earphones at the same time. If one earphone is normal, it means there is a problem with the earphone, and the earphone can be replaced. If it's a phone problem, rule out a software problem or a hardware problem.
3. Software problems, long press the power button to restart the phone. Or open settings, click system, reset, restore all settings, click again to restore all settings.
4. If there is still a problem, it is a hardware problem. You can take your phone and warranty card to the phone's official repair center for inspection.
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