FIRMWARE DETAILS
watchOS 27.0
Build:
24R364Sep 14, 2026Full OTAStable
View details
- Filename
a7e3c8f8cb5841024c5ed15187a6ef850fbf7678d1bd40a1f6e35244712f3cf6.aea- File size
- 4.23 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
dff833264637bff5dfe6ee919b3b5ee3b18ff41aa30a9a1617594ab6ad9a091f- 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 4
UnknownWatch8,1Signing 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