iPhone battery saying "Unknown Part"

The unknown part error is as important as the Check Engine light in your car.

—It needs to be serviced A.S.A.P.—

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. 📝
• Chat using Messages. 💬

Click ▶︎ Check Repair Status. 🔧

Have you had your battery replaced? If so, have you have it replaced by a non authorized service provider? Than this happens indeed, there is nothing you can do to make the message go away. It is important to have your phone properly serviced, because unknown parts can Make your phone to fail