FIRMWARE DETAILS
macOS 27.0 beta 3
Build:
26A5378nJul 13, 2026Delta OTABeta
View details
- Filename
0707902e08ceb98d3b9ec80e8d2c0a5cdd57b6a6e27a0ccc40c5ee776fa7fb95.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
a260d3352383b15945c25e59f6058622936f40ab07c5f7089704196df0b7375b- SHA-1
2d7058e680a550c87fa112d6283c6cb44855d3b2- Required starting builds
22H717- 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 (27)
iMac (24-inch, M1, 2021, Four Ports)
UnknowniMac21,1iMac (24-inch, M1, 2021, Two Ports)
UnknowniMac21,2Unknown
Unknown
Mac mini (M1, Late 2020)
UnknownMacmini9,1Mac mini (M2 Pro, 2023)
UnknownMac14,12Mac mini (M2, 2023)
UnknownMac14,3Mac 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)
UnknownMac14,14MacBook Air (15-inch, M2, 2023)
UnknownMac14,15MacBook Air (M1, 2020)
UnknownMacBookAir10,1MacBook Air (M2, 2022)
UnknownMac14,2MacBook Pro (13-inch, M1, 2020)
UnknownMacBookPro17,1MacBook Pro (13-inch, M2, 2022)
UnknownMac14,7MacBook Pro (14-inch, M1 Max, 2021)
UnknownMacBookPro18,4MacBook Pro (14-inch, M1 Pro, 2021)
UnknownMacBookPro18,3Unknown
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)
UnknownMac14,10Signing 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%3B26A5378n.json ↗
MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 10:56 PM UTC
Record fingerprint: cb6f8ad36a5e838c4a087b6152871159