FIRMWARE DETAILS
macOS 27.0
Build:
26A428Sep 14, 2026Delta OTARelease CandidateStable
View details
- Filename
b755d21ca772f5f7c9d16173f383ab6a98045afb7ff94d9528904b85ca102345.aea- File size
- 15.84 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
e2c8e709665d3c694ca7e5578b606aacbfbd78a7cdcc4e0b56d459959c07ed3a- SHA-1
Not reported- Required starting builds
22F2083- 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 (5)
Mac Pro (2023)
UnknownMac14,8Mac Pro (Rack, 2023)
UnknownMac14,8Mac Studio (M2 Max, 2023)
UnknownMac14,13Mac Studio (M2 Ultra, 2023)
UnknownMac14,14MacBook Air (15-inch, M2, 2023)
UnknownMac14,15Signing 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