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

IPSW Signed 24D70

macOS 15.3.1

macOS

Version

15.3.1

Build ID

24D70

File Size

15.40 GB

Release Date

2025-02-10

Last Updated

2025-02-05

Download IPSW

Beta firmware? Download Here →

About This Firmware

macOS 15.3.1 (build 24D70) is an official Apple IPSW for the MacBook Pro (M3 Max, 14-inch, Nov 2023), released on 2025-02-10. 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_15.3.1_24D70_Restore.ipsw

Checksums

SHA-256 559a78b75adc6bec77665b17db0e166eba326b04fc534e2a086253be92e043b0

SHA-1 c2b5bca53c6cf475e7a2a0b6d6c0db19477d69eb

MD5 8bf666a8d89382b396a55d02594144eb

Direct URL

https://updates.cdn-apple.com/2025WinterFCS/fullrestores/072-70618/42F1A8CC-7E07-4329-958A-757FF600C303/UniversalMac_15.3.1_24D70_Restore.ipsw

Other Devices

Mac mini (M2 Pro, 2023)

Mac14,12

MacBook Pro (14-inch, M5 Pro)

Mac17,9

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

Mac16,7

MacBook Air (13-inch, M5)

Mac17,3

MacBook Pro (M4, 14-inch, Nov 2024)

Mac16,1

MacBook Pro (14-inch, M5)

Mac17,2

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