FIRMWARE DETAILS

Bluetooth Headset Firmware 9.1 beta

Build: 9B5042aSep 29, 2026Full OTA

Beta

View details

Filename: c72a2a5ba12188be391291646749d06a5fa49416.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: 58fda7f6abc9153e8408cb4caca90eb9ee2725314edb035faed845eb4e9c8a76
SHA-1: 616924d5cd9dd04f9741e1c23c46f5809067e4d5
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%3B9B5042a.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:58 PM UTC
Record fingerprint: 491386a01ba77ce23a456f55da0a3439