Apple Mac Studio (M1 Max) macOS 12.5 beta 3 IPSW firmware
Apple Mac Studio (M1 Max)
Not signed
macOS 12.5 beta 3
Build 21G5046c For Mac13,1, J375cAP
Global · IPSW
A newer version is available for this region: macOS 27.2
Apple no longer signs this version, so a normal restore with Finder or iTunes will fail. Use a signed version unless you know you need this one.
File details
- OS
- macOS 12.5 beta 3
- Region
- Global
- Type
- IPSW
- Install with
- How to restore a Mac with Apple silicon (IPSW)
- Released
- Size
- 12.9 GB
- File name
UniversalMac_12.5_21G5046c_Restore.ipsw- SHA-1
b80555adb3c27435b68867dce0cdc9ebc5c1caac- SHA-256
342c51cbd20124827fac43f86c5989ec2740caf3a0132756ab92f66f2be12e0b
After downloading, compare the checksum with the one above. If they differ, the file is incomplete — download it again.
Before you download
- Make sure your device’s model number is one of: Mac13,1, J375cAP. You will find it in Settings → About phone, or on the box.
- This file is for the Global region. Installing another region’s firmware can remove features or block updates.
- Apple devices can only restore versions marked “Signed”.
- Back up your photos, contacts and files first, and charge the battery above 50%.
How to install
Macs with Apple silicon (M1 and newer) and Intel Macs with a T2 chip can be restored from an IPSW using a second Mac and Apple Configurator. This reinstalls the firmware and macOS and erases the Mac.
Read the guide: How to restore a Mac with Apple silicon (IPSW)