FIRMWARE DETAILS
macOS 27.0
Build:
26A428Sep 14, 2026Delta OTARelease CandidateStable
View details
- Filename
0db798e22d358e948791337982ed369ba5d04f31f561a7e345db9fdc0715fe03.aea- File size
- 14.90 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
29753b1d6f476c2e981bdbd356edd18ab656af4757f81a08fea96c8193afdbd6- SHA-1
Not reported- Required starting builds
23D2057- 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 (2)
MacBook Air (13-inch, M3, 2024)
UnknownMac15,12MacBook Air (15-inch, M3, 2024)
UnknownMac15,13Signing 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