FIRMWARE DETAILS

watchOS 27.0 beta 3

Build: 24R5315iJul 6, 2026Delta OTA

Beta

View details

Filename: ca1b66aedd1d3766e80f89164d5109a2f68c641f4ca916688773ef1ea725e508.aea
File size: 2.48 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: b89f871d687f234d1112d63e37d8b097102bde943cccb7e58ab8365d052ee7bd
SHA-1: 9499ea38b5309690df69830d5cf9b36ba0d75e01
Required starting builds: 23S620
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