Hi William Henry,
Welcome to Microsoft Q&A.
I understand how frustrating it is when your Sony Bluetooth Headphones won't connect to the Firestick WH-1000XM4. That said, I need to clarify something so you can get the help you needed:
- The Fire TV Stick is an Amazon product
- The WH‑1000XM4 Bluetooth headphones is a Sony product
- Bluetooth pairing behavior is controlled by Amazon’s Fire OS or Sony driver
As we here at Microsoft Q&A, where focuses exclusively on Microsoft products, our support cannot troubleshoot or fix this. To get actionable and suitable help for your issue, you’ll have better results reaching out to:
- Amazon Fire TV Support: They can confirm compatibility, firmware requirements, and known issues.
- Sony Support for WH‑1000XM4: Check the Sony documents pairing modes, device limits, and reset procedures specific to this headphone.
Sorry I can’t help further, but this is device behavior, not a Windows issue, and must be handled through Sony or Amazon guidance. I hope that their support will be the correct and fastest path to resolution.
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