iMac (Two Ports, 24-inch, 2024) Mac16,2

IPSW Signed 25D125

macOS 26.3

macOS

Version

26.3

Build ID

25D125

File Size

17.58 GB

Release Date

2026-02-11

Last Updated

2026-02-07

Download IPSW

Beta firmware? Download Here →

About This Firmware

macOS 26.3 (build 25D125) is an official Apple IPSW for the iMac (Two Ports, 24-inch, 2024), released on 2026-02-11. 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_25D125_Restore.ipsw

Checksums

SHA-256 7d22296ca6ab46f255bed8f5fc80845edab14fb781f845d7cae9427a22970b53

SHA-1 a51bc838db265ca2cfcd68681953b7a375b56fba

MD5 e919e46072c8df928c45bf8b552b710b

Direct URL

https://updates.cdn-apple.com/2026WinterFCS/fullrestores/047-60229/6D5DBEA5-75A0-4BEF-ACC9-5ACF9B8DF6B7/UniversalMac_26.3_25D125_Restore.ipsw

Other Devices

Mac mini (M4, 2024)

Mac16,10

Mac mini (M4 Pro, 2024)

Mac16,11

MacBook Pro (M1 Max, 14-inch, 2021)

MacBookPro18,4

iMac (Four Ports, 24-inch, 2023)

Mac15,5

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

Mac16,1

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

Mac16,5

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iMac (Two Ports, 24-inch, 2024) 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 iMac (Two Ports, 24-inch, 2024) 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