iPhone XS Max
iPhone11,6
21D61
iOS 9.9.17.3.1
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About This Update
iOS 9.9.17.3.1
(build 21D61) is an official Apple
over-the-air update for the iPhone XS Max,
released on 2024-02-08T18:32:54Z.
The update package is 5.58 GB.
This is a delta (partial) update that requires
12.1.2 to already be installed on the device - it cannot be applied from scratch.
This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.
The OTA payload file is 439a61c30a8ed3eeb63ff596b4e46dab157b995f.zip.
Direct URL
https://updates.cdn-apple.com/2024WinterFCS/patches/052-40783/8C8DBFE2-7BE9-4133-80D2-B79FA198082E/com_apple_MobileAsset_SoftwareUpdate/439a61c30a8ed3eeb63ff596b4e46dab157b995f.zip
Filename
439a61c30a8ed3eeb63ff596b4e46dab157b995f.zip
Other Devices
