FIRMWARE DETAILS

watchOS 27.0 beta

Build: 24R5289nJun 8, 2026Delta OTA

Beta

View details

Filename: a50b1754528a0e59d32bed44d2fc19a584a74e603ea33cce09119073d5cb0b68.aea
File size: 2.15 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: 711fa105bc5b1899f7c4f814d4082b9e46aca7fd607851a7d9e907caef18dc15
SHA-1: a8f996c7def7b4e270ed661c2257159c5d2ba312
Required starting builds: 23T5553h
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: 1847f306a124a758b636dd92c34c7513