iPhone 12 Pro Max iPhone13,4

IPSW Unsigned 23E261

iOS 26.4.2

iOS

Version

26.4.2

Build ID

23E261

File Size

9.60 GB

Release Date

2026-04-22

Last Updated

2026-04-19

Download IPSW

Beta firmware? Download Here →

Want full hardware specs? View iPhone 12 Pro Max specs →

About This Firmware

iOS 26.4.2 (build 23E261) is an official Apple IPSW for the iPhone 12 Pro Max, released on 2026-04-22. The file is served directly from Apple's CDN. This firmware is no longer signed by Apple. Standard downgrades are not possible, but the file remains available for reference and advanced use.

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

Filename

iPhone13,4_26.4.2_23E261_Restore.ipsw

Checksums

SHA-256 fea28203755e82265b755375792769e524662ac579897803bb3d3bd0e3d045ef

SHA-1 48f45bf8fcce3a4479c990ffa2e66c551205b91f

MD5 a3561f92507133723901b640886d1b85

Direct URL

https://updates.cdn-apple.com/2026SpringFCS/fullrestores/122-60823/A4AF6D73-4A66-49E7-8BBD-4F3F3A385E89/iPhone13,4_26.4.2_23E261_Restore.ipsw

Other Devices

iPhone 4 (GSM / 2012)

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iPhone 12 Pro Max 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 iPhone 12 Pro Max 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