macOS 12.0.1 (21A559) for iMac 24-inch (M1, Two Ports, 2021)
Signed — can be installed
Released Nov 4, 2021
iMac21,1
Download IPSW
UniversalMac_12.0.1_21A559_Restore.ipsw
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
- 3b8fcc1b674542a944fbefb69d29858b0728b1a829d18fd3d3e958691bc693bf
- SHA1
- aa422d3ef4a8a1a454e66db586fa71a940901943
- MD5
- 4d27e37df1215c90353a944da731dc14
On a Mac: shasum -a 256 UniversalMac_12.0.1_21A559_Restore.ipsw · On Windows: certutil -hashfile UniversalMac_12.0.1_21A559_Restore.ipsw SHA256
Firmware details
- Version
- macOS 12.0.1
- Build
21A559- Released
- November 4, 2021
- Uploaded
- October 19, 2021
- File size
- 13.13 GB (14,102,871,779 bytes)
- Signing
- Signed
Device
- Identifier
iMac21,1- Board
J456AP- Platform
t8103- CPID
0x8103- BDID
0x28
How to install macOS 12.0.1 with this IPSW
- Back up your iMac 24-inch (M1, Two Ports, 2021) to iCloud or your computer — restoring erases the device.
- Turn off Find My in Settings → [your name] → Find My.
- Connect the device with a cable and open Finder (macOS Catalina or later) or Apple Devices / iTunes (Windows).
- Hold Option (Mac) or Shift (Windows) and click Restore. Choose
UniversalMac_12.0.1_21A559_Restore.ipsw. - 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.