iOS 26.3.1 (23D8133) for iPhone 15 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
FilenameiPhone16,2_26.3.1_23D8133_Restore.ipsw
Filesize10 GiB
SHA256sumf966145fc190a6d7361a45300470728e8d0e67d13437d96ced8773126477ec27
MD5sum3e7a1ba05febc6495c7bcce3f666ed7d
SHA1sumf236c66943d3275f6c9247197eb3ec650b92ce43
IdentifieriPhone16,2
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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