iOS 9.9.17.1

iOS

Version

9.9.17.1

Build ID

21B74

File Size

5.58 GB

Release Date

2023-10-25T17:25:39Z

Update Type

Normal release

Delta update - requires 12.1.1 installed first.

Download OTA

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Want full hardware specs? View iPhone XS Max specs →

About This Update

iOS 9.9.17.1 (build 21B74) is an official Apple over-the-air update for the iPhone XS Max, released on 2023-10-25T17:25:39Z. The update package is 5.58 GB. This is a delta (partial) update that requires 12.1.1 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 94ef086744b658c33e97e6acb3618f9c26f72c14.zip.

Direct URL

https://updates.cdn-apple.com/2023FallFCS/patches/042-07653/27A61562-C9C2-4905-A339-646BA6C56045/com_apple_MobileAsset_SoftwareUpdate/94ef086744b658c33e97e6acb3618f9c26f72c14.zip