Apple Mac Studio (M1 Ultra) macOS 26.4.1 firmware
Apple Mac Studio (M1 Ultra)
Signed
macOS 26.4.1
Build 25E253 For Mac13,2, J375dAP
Global · IPSW
A newer version is available for this region: macOS 27.2 beta 4
Download
18.4 GB
Downloads from updates.cdn-apple.com.
File details
- OS
- macOS 26.4.1
- Region
- Global
- Type
- IPSW
- Install with
- How to restore a Mac with Apple silicon (IPSW)
- Released
- Size
- 18.4 GB
- File name
UniversalMac_26.4.1_25E253_Restore.ipsw- MD5
3b7a661ca701ad50b80ae62cbf2e41e3- SHA-1
03078f4af82bff5473398ca49f99288c76253fe8- SHA-256
8aa7f7aea6b20d1839d85a0017c9a1472f26c63ad496919f85db988eb01a5c32
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: Mac13,2, J375dAP. 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)