iOS 26.3.1 (23D8133) for iPhone 14 Pro Max

✓ 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
FilenameiPhone15,3_26.3.1_23D8133_Restore.ipsw
Filesize9.5 GiB
SHA256sum36e41e9eeb21796d821160b73e138b221d8ff0462d07438122950ff63418710c
MD5sum1d488d4ff30114c6f368e9b9cb0277fe
SHA1sum9b5bd8d7d5cd07fd96d7b61043568757bdf4959a
IdentifieriPhone15,3

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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