FIRMWARE DETAILS

watchOS 27.0.1

Build: 24R365Sep 28, 2026Delta OTA

Stable

View details

Filename: 54e2efab3c873a6fb9a37cadfb418f756d7119c07cb7be836cd9a79c3b9b907b.aea
File size: 2.21 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: 2dcf778963f00db53161a59f5c895925430b6254855c0bfa8413fb318445aa90
SHA-1: Not reported
Required starting builds: 23T570
Board restrictions: Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

Apple Watch Ultra 2 Watch7,5

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:57 PM UTC
Record fingerprint: 42afd5a3fced6a564582e43a9ab75e66