iOS 26.3.1 (23D8133) for iPhone 16

✓ 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
FilenameiPhone17,3_26.3.1_23D8133_Restore.ipsw
Filesize10 GiB
SHA256sumd2c68e0f27aae8db2e05353037e73966d2e815c3e3b74bed7152dfe3bbf5e154
MD5sum772531a79425c6f6e227f3f4c4f38b84
SHA1sum9d90602ea4342ac37730a3db9b96e39add68eca9
IdentifieriPhone17,3

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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