FIRMWARE DETAILS

watchOS 27.0.1

Build: 24R365Sep 28, 2026Delta OTA

Stable

View details

Filename: 64658e6d3796ab3ee4fe3fc08dd51d6556a4a7efaae3604408ee571055c2a4e1.aea
File size: 2.55 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: e6210146b23d768a6c5581f71618db86e5289aeaeeb338b041228f621b18f459
SHA-1: Not reported
Required starting builds: 23R8351
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 3 Watch7,12

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