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FIRMWARE DETAILS

macOS 27.0

Build: 26A428Sep 14, 2026Delta OTA
Release CandidateStable

View details

Filename
1cd8b74b0e2b6e6a276dcf7ab53db674bdef52574d9cd7cb471c1e7e5db15895.aea
File size
2.08 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
70a1daeb0aad62871412e796335e59178b60240a1337727c91c02c44d207db83
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%3B26A428-RC.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 12:56 PM UTC
Record fingerprint: 8305c639c5a60addec74ac2aabc81374