Apple Mac Studio (M1 Max) macOS 15.5 firmware
Apple Mac Studio (M1 Max)
Signed
macOS 15.5
Build 24F74 For Mac13,1, J375cAP
Global · IPSW
A newer version is available for this region: macOS 27.0.1
Download
15.7 GB
Downloads from updates.cdn-apple.com.
File details
- OS
- macOS 15.5
- Region
- Global
- Type
- IPSW
- Install with
- How to restore a Mac with Apple silicon (IPSW)
- Released
- Size
- 15.7 GB
- File name
UniversalMac_15.5_24F74_Restore.ipsw- MD5
0812c5e642ea38e19bbfe7fafa9f7d6f- SHA-1
9f700c4af3994f17f15c62e07e88d95d3a6d643f- SHA-256
e14517c33c70b4b7cd4f2b1c770284eea242e9da0e3b86464fb7bcb8cae399ee
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)