macOS 15.1 beta
Build 24B5077a
No Longer Signed
MacBook Pro (16-inch, 16-core M3 Max, Nov 2023)
Mac15,9
Released
October 15, 2024
File Size
Filename
No firmware file found on Apple's servers
Important Notice About Signing Status
Signing status was last updated less than a minute ago. Apple can stop signing at any time without notice.
Beta Firmware Notice
For official public releases, visit IPSWDL.com
Firmware Details
| Device | MacBook Pro (16-inch, 16-core M3 Max, Nov 2023) (Mac15,9) |
|---|---|
| OS Type | macOS |
| Version | 15.1 beta |
| Build ID | 24B5077a |
| Release Date | October 15, 2024 |
| Signing Status |
Unsigned
Status last checked March 19, 2026.
Verify at IPSW.dev
|
| Filename | Not available |
| File Size | |
| Download URL | No file found on Apple's servers |
Installation Instructions
How to install this firmware
- Download the IPSW file.
- Connect your device to your computer.
- Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina and later).
- Hold Option (⌥) on Mac or Shift on Windows and click Check for Update or Restore.
- Select the downloaded IPSW file and follow on-screen instructions.
This version is not currently signed by Apple.
Installation will fail unless you have saved SHSH blobs and are using futurerestore.