Apple Mac Studio (2025) macOS 27.2 beta 3 firmware

Apple Mac Studio (2025) Signed
macOS 27.2 beta 3

Build 26B5101f For Mac16,9, J575cAP

Global · IPSW

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

Download 24.7 GB

Downloads from updates.cdn-apple.com.

File details

OS
macOS 27.2 beta 3
Region
Global
Type
IPSW
Released
Size
24.7 GB
File name
UniversalMac_27.2_26B5101f_Restore.ipsw
SHA-256
337878a195849d8a06bf7b795164bd8ce3c75d86f48a4bdf6dd3f9bb5f33ac3a

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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