Apple Mac Studio (2025) macOS 26.4 beta 4 firmware

Apple Mac Studio (2025) Not signed
macOS 26.4 beta 4

Build 25E5233c For Mac16,9, J575cAP

Global · IPSW

A newer version is available for this region: macOS 27.2 beta 4

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.

Download 18.4 GB

Downloads from updates.cdn-apple.com.

File details

OS
macOS 26.4 beta 4
Region
Global
Type
IPSW
Released
Size
18.4 GB
File name
UniversalMac_26.4_25E5233c_Restore.ipsw
SHA-1
f4d923dc96ca27224f5e69c2309584f5ac330b08
SHA-256
2fb69c5cb0d3f8ee4d11a4c5b5d78c8f543212543d2c0a6f53246a171d0c2a73

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)

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