macOS 27.2.1 (26B8132) for MacBook Pro (16-inch PROLED XDR, M5 Pro)
Signed — can be installed
Released Nov 9, 2026
Mac17,12
Download IPSW
UniversalMac_27.2.1_26B8132_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
- 2a4308bc8832a26c7f3c8aba451894059843092a6d26c8abb63d6e17975854b1
- SHA1
- fbd55ffa2531fa3dccb7b7666fd8baa2fd1d1d50
- MD5
- 133de2f7440880416c7bb1fa0637298c
On a Mac: shasum -a 256 UniversalMac_27.2.1_26B8132_Restore.ipsw · On Windows: certutil -hashfile UniversalMac_27.2.1_26B8132_Restore.ipsw SHA256
Firmware details
- Version
- macOS 27.2.1
- Build
26B8132- Released
- November 9, 2026
- Uploaded
- November 7, 2026
- File size
- 19.49 GB (20,926,821,887 bytes)
- Signing
- Signed
Device
- Identifier
Mac17,12- Board
K116sAP- Platform
t6050- CPID
0x6050- BDID
0x16
How to install macOS 27.2.1 with this IPSW
- Back up your MacBook Pro (16-inch PROLED XDR, M5 Pro) 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_27.2.1_26B8132_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.