FIRMWARE DETAILS

watchOS 27.0 beta 6

Build: 24R5353aAug 17, 2026Delta OTA

Beta

View details

Filename: 773c56361f7a6d293eaea631c8b189ec2e07debcb8a0faf3c2f6d8b5c54905e7.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: 16c6bea203ab6e7029ad8c52231e1a0b2dd4dfae2f45eed966d9c0be517295a4
SHA-1: f888c462b9753d30e516e904659887e2240d569d
Required starting builds: 23U5054b
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