FIRMWARE DETAILS

watchOS 27.0 beta 6

Build: 24R5353aAug 17, 2026Delta OTA

Beta

View details

Filename: 9e57d2ab771a7be000f8c3e873c21409c833f70fc44b205a4a47e35f397b4a57.aea
File size: 2.28 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: 9138d9750f9890971653c0917aa1897194d85f3a704d07f77a54f8e8a4d5ef2d
SHA-1: 6948d6136df4c9fcfe3f02ca3363d09d96a55b5b
Required starting builds: 23S303
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