iOS 26.3.1 (23D8133) for iPhone 12 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
FilenameiPhone13,4_26.3.1_23D8133_Restore.ipsw
Filesize9.4 GiB
SHA256sum9ef98520b9870c4101eb74eaf6d75072e3bf001b313f931b2d42d79a65b6499b
MD5sum79c71d025428904af13c0f318b902c96
SHA1sum367da7f0788225d281b013f8fc7532fe1b76a61f
IdentifieriPhone13,4

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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