FIRMWARE DETAILS

watchOS 27.0.1

Build: 24R365Sep 28, 2026Delta OTA

Stable

View details

Filename: 54bf12dbfdf11920f5d220da81085c08628d07bfc4cdc81fe5d8b3c18da4b299.aea
File size: 3.36 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: 1505988bd5b16c3807b9fb6807a5b644a5330547fdf18b64afd8a8e22fe0ad82
SHA-1: Not reported
Required starting builds: 21S67
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