FIRMWARE DETAILS

watchOS 27.0 beta 3

Build: 24R5315iJul 6, 2026Delta OTA

Beta

View details

Filename: b8fda2834ff754650c7a342c724903dd933231a2bd4f748b57689a991700f655.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: 0583df6a4b572cdfcbb21f78b50ef3664ef24153d6590c8f740d1bb7f95d64c7
SHA-1: b6c2a1facea38d163f517d817ce333df11dcc6eb
Required starting builds: 23T5553h
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: c4969ceab6b95d0e8f6e7d0180d6d7ff