FIRMWARE DETAILS
watchOS 27.0
Build:
24R364Sep 14, 2026Full OTAStable
View details
- Filename
9d20985eba7518cc085b674cbe4e8c974212320eb1d440405a9147039a5af6f1.aea- File size
- 4.09 GB
- File type
- Full OTA
- Download host
updates.cdn-apple.com- Link availability
- Not verified
Source reports active
- Last link check
- Not checked
- SHA-256
312f6177e6768575e7d8b93932a9842a432d7c0396ff3534e043aa1b187225a6- SHA-1
Not reported- 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.
Compatible hardware (1)
Apple Watch Ultra 3
UnknownWatch7,12Signing 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/watchOS%3B24R364.json ↗
MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 12:56 PM UTC
Record fingerprint: ddd501aac8d8ed2c1be9e3399c243842