bad service Apple, no sound receiver, my iPhone 12

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Hence, some of the following links which are relevant to your query may help you:

1. Questions directed to Apple Inc - refer to the three links below
   1. Product Feedback - Apple
   2. Feedback - Weather - Apple
   3. Maps Report an Issue & Privacy - Apple Support & Report a problem with Maps on Mac - Apple Support
2. Hardware repairs & tickets - Apple Authorized Service Provider
3. Service grievances & questions --> Apple Repair and Repair Status Check - Official Apple Support
4. Warranty & Apple Care+ issues --> Check Your Service and Support Coverage - Apple Support
5. Order & Transaction related information -->
   1. Order Status - Shopping Help
   2. Viewing & Changing Orders - Shopping Help
   3. Genius Bar Reservation and Apple Support Options - Apple
6. Suggestions and Feedback for improvements --> Apple Inc says; "We read all feedback carefully, but we are unable to respond to each submission individually."
   1. Here is how for iPhone · Country or region* Select your country or region. · Feedback Type* Select feedback type. · Comments* Enter a comment.
   2. Feedback - iPhone - Apple
7. Shipping & Transportation queries - Shipping & Pickup - Shopping Help - Apple
8. Repair costs or product or prices of part service & replacement -
   1. iPhone Repair and Service - Apple Support (IN)
   2. iPhone Screen Repair & Replacement
   3. iPhone Battery Repair & Replacement
9. Product & Launch Detail etc.. --> Apple
10. Third-party apps and their behavior - How to contact an app developer - Apple Support
11. Any other issue --> Contact – Official Apple Support (IN) & Contact Apple for support and service

Facing the same issue after updating to 17.3