FIRMWARE DETAILS

watchOS 27.0 beta 5

Build: 24R5347aAug 10, 2026Delta OTA

Beta

View details

Filename: 21d09ccc6319046e72cae4d86b8aef1bc9ad3f21b1afed632d2db1b528948c0d.aea
File size: 2.42 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: 09a027786993f1e7191080d2bcd723ba81d84184997201bda8a96d7e06296638
SHA-1: a7a0b94dc5b7cb7c71c90a663945ae25b6967a13
Required starting builds: 23T240
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 3 Watch7,12

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: aa4a1e995dcd9f9109bd4e5e5547980c