FIRMWARE DETAILS

macOS 27.0.1

Build: 26A434Sep 28, 2026Delta OTA

Stable

View details

Filename: 6b9e40d2f00d4662fb6dc23895d85e12b26c5990fd223d5e0315884fa21654dc.aea
File size: 12.75 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: 614c76f0990099ff565acd0df254e25fa9006815b398573b5f44662ea3194834
SHA-1: Not reported
Required starting builds: 25A8364
Board restrictions: Not reported

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

MacBook Pro 14-inch (M5) Mac17,2

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, 10:56 PM UTC
Record fingerprint: 5d74a3439f2c9981faa635c8bbd9b8e8