iOS 18.7.3 (22H217) for iPhone XS

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Release DateDecember 22, 2025
Upload DateNovember 21, 2025
FilenameiPhone11,2,iPhone11,4,iPhone11,6_18.7.3_22H217_Restore.ipsw
Filesize8.2 GiB
SHA256sum05a19b75a2a31c4fa03544f2cf0db92a1c7d1224683270326fc9243b9d5c8521
MD5sumdae97802c4692deb23ecedc216629aa7
SHA1sum2b22a0268bb5e373b3d2f2d2c64d420f27e3fcbc
IdentifieriPhone11,2

iOS 18.7.3 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 important security fixes and is recommended for all users.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/100100

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