FIRMWARE DETAILS
macOS 27.0.1
Build:
26A434Sep 28, 2026Delta OTAStable
View details
- Filename
a0435f08111f2b7342abc5664254e1676300b198.zip- File size
- 12.49 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
d43cc2179c2a514547f4b7b6da9db113fae41a9247e7c6b4bab4a3075a656e05- SHA-1
Not reported- Required starting builds
25D125- 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 (49)
iMac (24-inch, M1, 2021, Four Ports)
UnknowniMac21,1iMac (24-inch, M1, 2021, Two Ports)
UnknowniMac21,2Unknown
Unknown
Unknown
Unknown
Mac mini (M1, Late 2020)
UnknownMacmini9,1Mac mini (M2 Pro, 2023)
UnknownMac14,12Mac mini (M2, 2023)
UnknownMac14,3Mac mini (M4 Pro, 2024)
UnknownMac16,11Mac mini (M4, 2024)
UnknownMac16,10Mac Pro (2023)
UnknownMac14,8Mac Pro (Rack, 2023)
UnknownMac14,8Mac Studio (M1 Max)
UnknownMac13,1Mac Studio (M1 Ultra)
UnknownMac13,2Mac Studio (M2 Max, 2023)
UnknownMac14,13Mac Studio (M2 Ultra, 2023)
UnknownMac14,14Mac Studio (M3 Ultra, 2025)
UnknownMac15,14Mac Studio (M4 Max, 2025)
UnknownMac16,9MacBook Air (13-inch, M3, 2024)
UnknownMac15,12MacBook Air (13-inch, M4, 2025)
UnknownMac16,12MacBook Air (15-inch, M2, 2023)
UnknownMac14,15MacBook Air (15-inch, M3, 2024)
UnknownMac15,13MacBook Air (15-inch, M4, 2025)
UnknownMac16,13MacBook Air (M1, 2020)
UnknownMacBookAir10,1MacBook Air (M2, 2022)
UnknownMac14,2MacBook Pro (13-inch, M1, 2020)
UnknownMacBookPro17,1MacBook Pro (13-inch, M2, 2022)
UnknownMac14,7Unknown
Unknown
MacBook Pro (14-inch, M1 Max, 2021)
UnknownMacBookPro18,4MacBook Pro (14-inch, M1 Pro, 2021)
UnknownMacBookPro18,3Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
Unknown
MacBook Pro (16-inch, M1 Max, 2021)
UnknownMacBookPro18,2MacBook Pro (16-inch, M1 Pro, 2021)
UnknownMacBookPro18,1Unknown
MacBook Pro (16-inch, M2 Pro, 2023)
UnknownMac14,10Unknown
Unknown
Unknown
MacBook Pro 14-inch (M5)
UnknownMac17,2Signing 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