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Bose firmware update adds Bluetooth LE Audio for QuietComfort Ultra

By Drooid · Sep 29, 2026, 10:40 PM UTC · How we work

Summary

Story summary

Bose released firmware 10.12.12 for QuietComfort Ultra (2nd Gen) headphones, adding Bluetooth LE Audio and Auracast (beta).
The update adds LC3 codec support, delivering higher-quality audio while reducing power consumption.
It introduces 5.1 spatial audio with head tracking for compatible Android devices.
LE Audio and Auracast function only on Android and Windows, not on Apple devices.

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Story summary

Bose released firmware 10.12.12 for QuietComfort Ultra (2nd Gen) headphones, adding Bluetooth LE Audio and Auracast (beta).
The update adds LC3 codec support, delivering higher-quality audio while reducing power consumption.
It introduces 5.1 spatial audio with head tracking for compatible Android devices.
LE Audio and Auracast function only on Android and Windows, not on Apple devices.