iOS 26.3.1 (23D8133) for iPhone 13 Pro Max

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✓ This firmware is signed. This means that you can restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Release DateMarch 4, 2026
Upload DateMarch 1, 2026
FilenameiPhone14,3_26.3.1_23D8133_Restore.ipsw
Filesize9.4 GiB
SHA256sum4b2bddae14bb7a5588e7d9b124bf3ed95b8e25ffd3b6084900925288e840d151
MD5sum152f80b842bfcb7469a5ca2276b73c6e
SHA1sum8f8a69c3be5ba9bbfbdaa09548c52d5f7db72206
IdentifieriPhone14,3
Download (9.4 GiB)

iOS 26.3.1 Release Notes

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides bug fixes for your iPhone

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

https://support.apple.com/100100

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