FIRMWARE DETAILS
macOS 27.0 beta 8
Build:
26A5425aAug 31, 2026Delta OTABeta
View details
- Filename
b98df3e6bbd12c9f351a9374c05b384d623aebb2.zip- File size
- 2.38 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
641366fa4fce7a6c5909025f4a455e7aa71d9085e30d21844e2f574225942123- SHA-1
Not reported- Required starting builds
26A5421a- 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 (56)
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 (13-inch, M5)
UnknownMac17,3MacBook Air (15-inch, M2, 2023)
UnknownMac14,15MacBook Air (15-inch, M3, 2024)
UnknownMac15,13MacBook Air (15-inch, M4, 2025)
UnknownMac16,13MacBook Air (15-inch, M5)
UnknownMac17,4MacBook Air (M1, 2020)
UnknownMacBookAir10,1MacBook Air (M2, 2022)
UnknownMac14,2MacBook Neo
UnknownMac17,5MacBook 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
MacBook Pro (14-inch, M5 Max)
UnknownMac17,7MacBook Pro (14-inch, M5 Pro)
UnknownMac17,9Unknown
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 (16-inch, M5 Max)
UnknownMac17,6MacBook Pro (16-inch, M5 Pro)
UnknownMac17,8MacBook 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%3B26A5425a.json ↗
MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:56 PM UTC
Record fingerprint: 07667214f7a7cf81c36de0a6b55e3385