Hn880 Said:
"Lost AirPods Pro disappeared from Find My: What happened to the location of my apple airpod Pros? I had them on lost mode and have been working with a restaurant on finding them. They died in Jan 2 it is Jan 10. They have disappeared from my 'find my' app! Were they stolen?"
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Perhaps.
No one here would know if they were stollen, though.
So, Verify your Devices:
Go here, and see if your AirPods are seen under your own account: Check your Apple ID Device List to See where you're signed in - Apple Support. If it is not shown, then it is no longer associated to your Apple Account.