FIRMWARE DETAILS

watchOS 27.0 beta 3

Build: 24R5315iJul 6, 2026Delta OTA

Beta

View details

Filename: 40f4c78e215b05442260a3940d56ecb97850f1ad19d8e9421534cf5fa6863598.aea
File size: 939.5 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: 725a80ee106a54eda1e69e8475d3b2cd7f4a65082f0f3ab68b8e993da8b0680c
SHA-1: 9eb85067f680f7b0871a6f942a2f317647f05da5
Required starting builds: 24R5305g
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: c4969ceab6b95d0e8f6e7d0180d6d7ff