FIRMWARE DETAILS

watchOS 27.0 beta 6

Build: 24R5353aAug 17, 2026Delta OTA

Beta

View details

Filename: ac5f555b000f013f5621fb63b4d7ee2439ae070d33c8e30c21663d9592adb4b2.aea
File size: 1.31 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: f5d7bb4f600fb869e34d64c4405bb5296378e5bf40d56fd2e56718ad9cf6a45f
SHA-1: 0b46fbb25e00f757795ecaf196cdeddf792d98d3
Required starting builds: 24R5315i
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: dcdabfee3b751d286ed5750e65109264