iOS 18.6.1 (22G90) for iPhone 15 Pro Max

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

Release DateAugust 14, 2025
Upload DateAugust 8, 2025
FilenameiPhone16,2_18.6.1_22G90_Restore.ipsw
Filesize9.1 GiB
SHA256sum00ce20e7a92af1ab281ee4db5f1b325fd2b5d4a8a22a062d6b148c8b925817a4
MD5sum36a5697232c6e24d35cadf261844d696
SHA1sum99023040b1da3c9d8e170c494bcc62070449210a
IdentifieriPhone16,2

iOS 18.6.1 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 a new Blood Oxygen experience for users in the United States with Apple Watch Series 9 and Series 10, and Apple Watch Ultra 2. Measurements are calculated on iPhone and viewed in the Health app.

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

https://support.apple.com/100100

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