FIRMWARE DETAILS
watchOS 27.0
Build:
24R364Sep 14, 2026Delta OTAStable
View details
- Filename
4179f054ad680c97bc524e65fb08d3fc08367c96f69c8ab43a9e7c582d0b3c42.aea- File size
- 3.22 GB
- File type
- Delta OTA
- Download host
updates.cdn-apple.com- Link availability
- Not verified
Source reports active
- Last link check
- Not checked
- SHA-256
122da23af61bcf5edc9a508984eec9564e894d1c5387c359d2eadb70ee83b11e- SHA-1
Not reported- Required starting builds
21T576- 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 Series 9 (GPS, 41mm)
UnknownWatch7,1Signing 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