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FIRMWARE DETAILS

macOS 27.2 beta 4

Build: 26B5112aOct 13, 2026Delta OTA
Beta

View details

Filename
f257988600c54004bbdca2636ddcfa99305d687f9e961d8f18512c3a174240b6.aea
File size
4.23 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
9e3295b4f7aafa8bc196c7a923478363b7869f8ced92c4c0d5dbb4c6e9b8f291
SHA-1
Not reported
Required starting builds
26B5091g
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