FIRMWARE DETAILS

Bluetooth Headset Firmware 9.1 beta 2

Build: 9B5043aOct 13, 2026Full OTA

Beta

View details

Filename: f9dea2bfc3d63ad1be26d9c706a75a3ca4b76778.zip
File size: 5.2 MB
File type: Full OTA
Download host: updates.cdn-apple.com
Link availability: Not verified
Source reports active
Last link check: Not checked
SHA-256: 043fa7b50732d5389ed73feb887b6f243d4f8c12c637a091c9ce2c538cb6dc2e
SHA-1: f0f67ad4c8d8c35127155f69e3bfbb7ed63f4bd5
Required starting builds: Not reported
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

This device normally updates automatically. Catalog files are technical references, not a supported manual installation method.

Compatible hardware (2)

AirPods 4 with Active Noise Cancellation (Left) AirPods1,5 · AirPods3,3 · Device1,8219

Unknown

AirPods 4 with Active Noise Cancellation (Right) AirPods1,5 · AirPods3,3 · Device1,8219

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

AppleDBhttps://api.appledb.dev/ios/Bluetooth%20Headset%20Firmware%3B9B5043a.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:58 PM UTC
Record fingerprint: 4e680543c9e62660ecd0781e1f3f25c7