iOS 18.6.1 (22G90) for iPhone XR

✗ 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
FilenameiPhone11,8_18.6.1_22G90_Restore.ipsw
Filesize8.1 GiB
SHA256sum5d24ff3a5c9cca5b8b38c223e3f070db423e9a5aeff5a21653f1c1501c2e5cdc
MD5sum1025cc2273e452f0946f6284591335c9
SHA1sum618ab490a86e5e05a181fae6ab74912bfdb71339
IdentifieriPhone11,8

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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