iMac 24-inch (M1, Two Ports, 2021)

macOS 12.6 (21G115) for iMac 24-inch (M1, Two Ports, 2021)

Signed — can be installed Released Sep 12, 2022 iMac21,1

Download IPSW

UniversalMac_12.6_21G115_Restore.ipsw

13.11 GB
Download macOS 12.6

The file is downloaded directly from Apple’s servers (updates.cdn-apple.com). Large files download faster with a download manager or curl -O.

Verify the file

SHA256
5113f8d3c77fd725ea6357ced5764bc57183d2d388492c58c46ff2729d0658e5
SHA1
3bae26d997c8ad246bb6ca4bd85bb8498f0680e9
MD5
e60dce4e98cbe3501ce9b9d5eef354d0

On a Mac: shasum -a 256 UniversalMac_12.6_21G115_Restore.ipsw · On Windows: certutil -hashfile UniversalMac_12.6_21G115_Restore.ipsw SHA256

Firmware details

Version
macOS 12.6
Build
21G115
Released
September 12, 2022
Uploaded
September 1, 2022
File size
13.11 GB (14,081,739,387 bytes)
Signing
Signed

Device

Identifier
iMac21,1
Board
J456AP
Platform
t8103
CPID
0x8103
BDID
0x28

How to install macOS 12.6 with this IPSW

  1. Back up your iMac 24-inch (M1, Two Ports, 2021) to iCloud or your computer — restoring erases the device.
  2. Turn off Find My in Settings → [your name] → Find My.
  3. Connect the device with a cable and open Finder (macOS Catalina or later) or Apple Devices / iTunes (Windows).
  4. Hold Option (Mac) or Shift (Windows) and click Restore. Choose UniversalMac_12.6_21G115_Restore.ipsw.
  5. Wait — the device restarts several times. Don’t disconnect it until you see the Hello screen.

Stuck on the Apple logo? Put the device into recovery mode first, then restore.

Build 21G115 is also available for

MacBook Pro (13-inch, M2, 2022) MacBook Air (M2, 2022) Apple Virtual Machine 1 Mac Studio (M1 Ultra) Mac Studio (M1 Max) MacBook Pro (M1 Max, 14-inch, 2021) MacBook Pro (M1 Pro, 16-inch, 2021) MacBook Pro (M1 Pro, 14-inch, 2021) MacBook Pro (M1 Max, 16-inch, 2021) iMac 24-inch (M1, Four Ports, 2021) Mac mini (M1, Late 2020) MacBook Air (M1, Late 2020) MacBook Pro (M1, Late 2020)

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