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FIRMWARE DETAILS

watchOS 27.0

Build: 24R364Sep 14, 2026Delta OTA
Stable

View details

Filename
921e886b620f16a80c737c047d91ee1a8ca401587ecaec28227b2414dc712ff2.aea
File size
755.0 MB
File type
Delta OTA
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
a12d3205610526b4ae8cb3eb5653a1faecfdd9dd0549c0f5983ff390e7eadcd1
SHA-1
Not reported
Required starting builds
24R5358a
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)

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/watchOS%3B24R364.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 12:56 PM UTC
Record fingerprint: ddd501aac8d8ed2c1be9e3399c243842