iPhone 7 microphone works intermittent

4DAAVette ~ Do the iPhone 7's still have their original battery?

And what's the Maximum Capacity % here?...

Settings > Battery > Battery Health

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➢ iPhone Microphone Not Working. 🎤

If that didn’t work, then I recommend service.

Service Checklist:

• iPhone service pricing.
• Check AppleCare Coverage.
• Get your iPhone ready for service.

Click ▶︎ Start a Service Request. ⚛️

Need more help?

• Call Apple Support at 1-800-APLCARE. 📞
• International Support. 🌐
• Contact Apple Support. 📝
• Live chat using Messages. 💬

Click ▶︎ Check Repair Status. 🔧