FIRMWARE DETAILS

watchOS 27.0 beta 3

Build: 24R5315iJul 6, 2026Delta OTA

Beta

View details

Filename: b228c89ff4cfcdbd0b6b107d6fa737d4943510fc1af32c79651f97dd78856187.aea
File size: 1.38 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: f9e25bac67d190e0a54daf4dafd8b0ea1aa437d196ca448367d5a06d19b31d40
SHA-1: 91c17e68178410d13f49ab67b28c3b0db2509fa0
Required starting builds: 24R5289n
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: c4969ceab6b95d0e8f6e7d0180d6d7ff