FIRMWARE DETAILS

macOS 27.0.1

Build: 26A434Sep 28, 2026Delta OTA

Stable

View details

Filename: 0587a8445e5f81fe14460be8c42e256257b3a9e2d853fc852179255fbdc62274.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: 57b9b79295fac729ad7317d1f89a93cb1256307a60a631100af65f99951b8cab
SHA-1: Not reported
Required starting builds: 25A8353
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