MacBook Pro (M1, Late 2020) MacBookPro17,1

IPSW Signed 25D2128

macOS 26.3.1

macOS

Version

26.3.1

Build ID

25D2128

File Size

18.00 GB

Release Date

2026-03-04

Last Updated

2026-02-27

Download IPSW

Beta firmware? Download Here →

About This Firmware

macOS 26.3.1 (build 25D2128) is an official Apple IPSW for the MacBook Pro (M1, Late 2020), released on 2026-03-04. 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_26.3.1_25D2128_Restore.ipsw

Checksums

SHA-256 4ff171ba3fa6db4758a2a7cedc8f24d44f4e3de8051a84400984872619abd6bc

SHA-1 d7fd6eded02a7534581e4bee5f25ba9784cce408

MD5 d928ee10bc9faccb8c88ab971c0a6d03

Direct URL

https://updates.cdn-apple.com/2026WinterFCS/fullrestores/047-88313/2E098049-1731-4415-A206-546D09301973/UniversalMac_26.3.1_25D2128_Restore.ipsw

Other Devices

MacBook Air (15-inch, M4, 2025)

Mac16,13

iMac (Four Ports, 24-inch, 2024)

Mac16,3

iMac (Two Ports, 24-inch, 2024)

Mac16,2

MacBook Pro (M3 Pro, 16-inch, Nov 2023)

Mac15,7

MacBook Pro (M3 Pro, 14-inch, Nov 2023)

Mac15,6

MacBook Pro (M3 Max, 16-inch, Nov 2023)

Mac15,9

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your MacBook Pro (M1, Late 2020) 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 (M1, Late 2020) 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