About This Firmware
macOS 15.1 beta
(build 24B5046f)
is a beta IPSW for the MacBookAir10,1,
released on September 17, 2024.
The download is 15.87 GB. This build is no longer signed by Apple. Blobs can no longer be saved for this build.
UniversalMac_15.1_24B5046f_Restore.ipsw
How to Install
iTunes / Finder
macOS & Windows- Download the .ipsw file to your computer.
- Connect your MacBookAir10,1 to your computer via USB.
- Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina+) and select your device.
- Hold Option ⌘ (Mac) or Shift (Windows) and click Check for Update or Restore iPhone…
- Select the downloaded .ipsw file and follow the on‑screen instructions.
- Wait for the process to complete — do not disconnect the device.
DFU Mode
Recovery tipIf your device is stuck in a boot loop or not recognised by iTunes/Finder, enter DFU (Device Firmware Update) mode first, then select the .ipsw file as normal.
iPhone 8 / X and later
- Quickly press & release Volume Up
- Quickly press & release Volume Down
- Hold Side button until screen goes black
- Hold Side + Volume Down for 5 s
- Release Side, keep holding Volume Down for 5 more seconds
- Black screen = DFU active
iPhone 7 / 7 Plus
- Hold Sleep/Wake + Volume Down for 8 s
- Release Sleep/Wake, keep holding Volume Down for 5 s
- Black screen = DFU active
iPhone 6s and earlier
- Hold Sleep/Wake + Home for 8 s
- Release Sleep/Wake, keep holding Home for 5 s
- Black screen = DFU active
SHSH Blobs
Unsigned — too late to saveSHSH blobs are personalised cryptographic tickets Apple issues for a specific device and firmware. Saving blobs for a currently signed build lets you restore to it later using tools like futurerestore. macOS 15.1 beta is no longer signed.
A free open-source GUI app for macOS, Windows and Linux. Connect your device and save blobs with one click.
Download blobsaverCommand-line tool by tihmstar. Requires your device ECID and board config.
tsschecker -d MacBookAir10,1 --buildid 24B5046f -e [ECID] --save
Other Devices with 24B5046f
