MacBook Pro (M3 Max, 14-inch, Nov 2023) Mac15,8

IPSW Signed 23D56

macOS 14.3

macOS

Version

14.3

Build ID

23D56

File Size

13.51 GB

Release Date

2024-01-22

Last Updated

2024-01-13

Download IPSW

Beta firmware? Download Here →

About This Firmware

macOS 14.3 (build 23D56) is an official Apple IPSW for the MacBook Pro (M3 Max, 14-inch, Nov 2023), released on 2024-01-22. The file is served directly from Apple's CDN. This firmware is currently signed by Apple, so it can be used to restore or update your device via iTunes or Finder.

Verify the download using the SHA-256 or SHA-1 checksum listed in the Checksums section below.

Filename

UniversalMac_14.3_23D56_Restore.ipsw

Checksums

SHA-256 50ee364bcbb509426d9d7273d13abea375ec7f29e1ada73ac9f0fe93f264910a

SHA-1 ce0edf6a834e9d34898a20d2273785bb8c6401e0

MD5 f13a7d6d506eb574a404ed4126dcb53a

Direct URL

https://updates.cdn-apple.com/2024WinterFCS/fullrestores/042-78241/B45074EB-2891-4C05-BCA4-7463F3AC0982/UniversalMac_14.3_23D56_Restore.ipsw

Other Devices

Mac Studio (2025)

Mac15,14

MacBook Pro (14-inch, M5 Max)

Mac17,7

MacBook Pro (14-inch, M5 Pro)

Mac17,9

Mac Studio (M1 Max)

Mac13,1

MacBook Pro (M4 Pro, 16-inch, Nov 2024)

Mac16,7

MacBook Pro (M2 Max, 14-inch, 2023)

Mac14,5

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your MacBook Pro (M3 Max, 14-inch, Nov 2023) via USB.
Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina+) and select your device.
Update (keep data): hold Option (Mac) or Shift (Windows) and click Update, then pick the .ipsw file.
Restore (erase & install): hold Option / Shift and click Restore iPhone…, then pick the .ipsw file.
Wait for the process to finish - do not disconnect.

Restoring will erase all data on the device. Back up first.

3uTools

Windows

Download and install 3uTools from 3u.com.
Connect your MacBook Pro (M3 Max, 14-inch, Nov 2023) via USB and trust the computer on the device.
Go to Flash & JB → Easy Flash.
Click Import and select the downloaded .ipsw file.
Choose Flash mode: Update keeps data, Restore wipes the device.
Click Flash and wait for the progress bar to complete - do not disconnect.

Only flash firmware that matches your exact device model.

DFU Mode

Recovery tip

If your device is stuck in a boot loop or iTunes/Finder does not recognise it, enter DFU mode first, then select the .ipsw file as normal.

iPhone 8 / X and later

Quickly press & release Volume Up
Quickly press & release Volume Down
Hold Side button until screen goes black
Hold Side + Volume Down for 5 s
Release Side, hold Volume Down 5 more s
Black screen = DFU active

iPhone 7 / 7 Plus

Hold Sleep/Wake + Volume Down for 8 s
Release Sleep/Wake, keep holding Volume Down for 5 s
Black screen = DFU active

iPhone 6s and earlier

Hold Sleep/Wake + Home for 8 s
Release Sleep/Wake, keep holding Home for 5 s
Black screen = DFU active