iOS 26.3.1 (23D8133) for iPhone 16 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
FilenameiPhone17,2_26.3.1_23D8133_Restore.ipsw
Filesize10 GiB
SHA256sum4169f2fd2b86139d7f3a7ce415ad7d85ae57803f0b7de3d3403cb90a1a516797
MD5sum84bb70147e468866a0a1622537f0842f
SHA1sumd742c9a0077fbc130ccf51d05dd395d08b5eb47a
IdentifieriPhone17,2
Download (10 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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