iOS 9.9.17.5.1

iOS

Version

9.9.17.5.1

Build ID

21F90

File Size

5.51 GB

Release Date

2024-05-20T17:23:30Z

Update Type

Normal release

Delta update - requires 12.3.1 installed first.

Download OTA

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About This Update

iOS 9.9.17.5.1 (build 21F90) is an official Apple over-the-air update for the iPhone XR, released on 2024-05-20T17:23:30Z. The update package is 5.51 GB. This is a delta (partial) update that requires 12.3.1 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 51aef431d8c7c208d478a5c86b24aa8c9f2435d8.zip.

Direct URL

https://updates.cdn-apple.com/2024SpringFCS/patches/062-02178/359FE8B6-6D38-400E-A486-ABABC80327DB/com_apple_MobileAsset_SoftwareUpdate/51aef431d8c7c208d478a5c86b24aa8c9f2435d8.zip