FIRMWARE DETAILS

macOS 27.0.1

Build: 26A434Sep 28, 2026Delta OTA

Stable

View details

Filename: 7934ea30a0a414c4fd12ce0fc937bc665b7bc9e8.zip
File size: 14.04 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: 1d2ebf5ec43a4d4898f1c2163b1a5b9a7c239562d92f76db3c189998085fbad7
SHA-1: Not reported
Required starting builds: 24A8332
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 (4)

iMac (24-inch, M4, 2024, Four Ports) Mac16,3

Unknown

iMac (24-inch, M4, 2024, Two Ports) Mac16,2

Unknown

Mac mini (M4, 2024) Mac16,10

Unknown

MacBook Pro (14-inch, M4, Nov 2024) Mac16,1

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%3B26A434.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:56 PM UTC
Record fingerprint: 5d74a3439f2c9981faa635c8bbd9b8e8