FIRMWARE DETAILS
Bluetooth Headset Firmware 9.1 beta
Build:
9B5042aSep 29, 2026Full OTABeta
View details
- Filename
b2bf8b950acf43aca4795b62064d9e2025c80c47.zip- File size
- 4.4 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
bc8f984b3c25ab238c18dbea9d77a6457fcf114758a9d942cfc4281832bdf6a1- SHA-1
7c3bcb0628beefe5a2d2ae7d750472ae614baca6- 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 (Left)
UnknownAirPods1,4 · AirPods3,2 · Device1,8217AirPods 4 (Right)
UnknownAirPods1,4 · AirPods3,2 · Device1,8217Signing 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