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FIRMWARE DETAILS

macOS 27.2 beta 4

Build: 26B5112aOct 13, 2026Delta OTA
Beta

View details

Filename
ce9a3792822ab0c59903a8b258e952469f4c4be80c35ce3bdfe068ff00215663.aea
File size
5.03 GB
File type
Delta OTA
Download host
updates.cdn-apple.com
Link availability
Available

Source reports active

Last link check
Oct 19, 2026, 1:19 PM UTC · HTTP 200
SHA-256
0c45389cdae609d316c37def986cd3606683d95c4b67f6d39f5b5a11c8bc9d86
SHA-1
Not reported
Required starting builds
26A425
Board restrictions
Not reported

OTA packages can require an exact starting build and board. A matching hardware identifier alone is not sufficient for installation.

Compatible hardware (1)

Unknown

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

AppleDBhttps://api.appledb.dev/ios/macOS%3B26B5112a.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:56 PM UTC
Record fingerprint: 19e6aecdbec539ace5bc00eb5c107e67