iOS 26.4.2 (23E261) for iPhone 17 Pro Max

✓ This firmware is signed. This means that you can restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Release DateApril 22, 2026
Upload DateApril 19, 2026
FilenameiPhone18,2_26.4.2_23E261_Restore.ipsw
Filesize10 GiB
SHA256sum59938064879df973a7a203c83c068d25362efa35711f398a8357405bf2827b62
MD5sum565620a9c5063ec0bad57f448f7ca95e
SHA1sum71a0b7cecaffb4d870de77f4318e4c33674c476f
IdentifieriPhone18,2
TagsiOS iOS 26.4.2 iPhone 17 Pro Max

iOS 26.4.2 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 and security updates 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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