Download iOS 26.3.1 (23D8133) for iPhone 13 Pro Max

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPhone14,3
iOS Version 26.3.1
Release Date 2026-03-04
Update Date 2026-03-01
Sha1sum
8f8a69c3be5ba9bbfbdaa09548c52d5f7db72206
Sha256sum
4b2bddae14bb7a5588e7d9b124bf3ed95b8e25ffd3b6084900925288e840d151
md5sum
152f80b842bfcb7469a5ca2276b73c6e
Size 9.42 GB
FileName
iPhone14,3_26.3.1_23D8133_Restore.ipsw
Status

Download IPSW (9.42GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

Design

Apple Intelligence

Camera

Photos

Phone

Messages

CarPlay

Maps

Music

Wallet

Apple Games

Protecting Kids Online

Accessibility

Other

For information on the security content of Apple software updates, please visit:

https://support.apple.com/100100

Some features may not be available in all regions or on all iPhone models. To learn more, please visit:

https://www.apple.com/ios/feature-availability/

Software updates, like this one, add new features and improvements that may affect performance and/or battery life. To learn more, please visit:

https://support.apple.com/125039

IPSW File Download FAQ