michaelssdak Said:
"earphone audio problems: i just bought an 2021 Ipad Pro 11 few days ago. Everything work well, the sound, camera, charging. but only the earphone doesn't work on my Ipad. I tried many brand of type c earphone, usb c to 3.5mm adapter to connect 3.5mm jack headphone. Its all doesn't work."
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Return or Get Serviced:
If you just purchased this, then rerun it or get it serviced.
Perhaps this is a Faulty Device?:
Note that you have a one-year, out-of-the-box, limited-warranty with this. So, if it is covered under warranty, then see if you can get the screen replaced. Being faulty, it likely would be nothing on you. Ask Apple Support for a new screen.
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--- Proceed from there as Necessary
NOTE: Due to the Coronavirus Pandemic, calls are taking a bit linger to get through. And, that makes sense, because many are at home working out-of-the-house or are taking classes over-the-web, this they have more time on their hands to contact Apple Support. So, it might take a bit to get through to Apple Support. But, just stay on the line, and someone will be with you :)