Apple Mac Studio (M1 Max) macOS 13.1 firmware

Apple Mac Studio (M1 Max) Signed

macOS 13.1

Build 22C65 For Mac13,1, J375cAP

Global · IPSW

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

Download 11.4 GB

Downloads from updates.cdn-apple.com.

File details

Device: Apple Mac Studio (M1 Max)
OS: macOS 13.1
Region: Global
Type: IPSW
Install with: How to restore a Mac with Apple silicon (IPSW)
Released: 13 Dec 2022
Size: 11.4 GB
File name: UniversalMac_13.1_22C65_Restore.ipsw
MD5: f8ad0aeaf373dd48aeb5daefb89f7370
SHA-1: 10acbcbfb18bc4c9f00ec58c6137e963eb51beba
SHA-256: 98dd167fb42b345efbadc62c8bf74faa98ec3d7e6079085dc92ef98c7797b14b

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)

Other Apple Mac Studio (M1 Max) versions

See all