FIRMWARE DETAILS

watchOS 27.0 beta 6

Build: 24R5353aAug 17, 2026Delta OTA

Beta

View details

Filename: c20fd5753a3ca83fce7c9c1b9b8fb8f240f32736ba858df336730d10d7cc54bc.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: 347a769fc30926a626e7f0e673abb97fa164b066adc8c8d96df06ee0d6d8e600
SHA-1: 973fd5c434515dddfcc059d82fe1933f700a1b47
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 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