Mac13,2
About This Firmware
macOS 26.1 RC
(build 25B77)
is a beta IPSW for the Mac13,2,
released on October 28, 2025.
The download is 18.72 GB. This build is currently signed by Apple, so blobs can still be saved.
UniversalMac_26.1_25B77_Restore.ipsw
Release Notes
This update includes the following features and enhancements:
- Liquid Glass setting gives you the option to choose between the default clear look or a new tinted look which increases opacity of the material in apps and notifications on the Lock Screen
- Apple Music AutoMix support over AirPlay
- Improved FaceTime audio quality in low-bandwidth conditions
- Communication Safety and Web content filters to limit adult websites are enabled by default for existing child accounts for ages 13-17 (Age varies by country or region)
- For information on the security content of Apple software updates, please visit: support.apple.com/100100.
Some features may not be available in all regions or on all Apple devices. To learn more, please visit: apple.com/macos/feature-availability
Software updates, like this one, add new features and improvements that may affect performance and/or battery life. To learn more, please visit: support.apple.com/125039.
How to Install
iTunes / Finder
macOS & Windows- Download the .ipsw file to your computer.
- Connect your Mac13,2 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
✓ Signed — save nowSHSH 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 26.1 RC is currently signed — save your blobs now.
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 Mac13,2 --buildid 25B77 -e [ECID] --save
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