Apple Mac Studio (2025) macOS 26.1 firmware
Apple Mac Studio (2025)
Signed
macOS 26.1
Build 25B78 For Mac16,9, J575cAP
Global · IPSW
A newer version is available for this region: macOS 27.2 beta 4
Download
17.4 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple Mac Studio (2025)
- OS
- macOS 26.1
- Region
- Global
- Type
- IPSW
- Install with
- How to restore a Mac with Apple silicon (IPSW)
- Released
- Size
- 17.4 GB
- File name
UniversalMac_26.1_25B78_Restore.ipsw- MD5
e270ede6a1eba02253ac42bcd76dab4b- SHA-1
479d6bb78f069062ca016d496fd50804b673e815- SHA-256
e0217b3cd0f2edb9ab3294480bef5af2a0be43e86d84a15fab6bca31d3802ee8
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: Mac16,9, J575cAP. 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)