iOS 9.9.17.1 (build 21B74) is an official Apple over-the-air update for the iPhone XR, released on 2023-10-25T17:25:39Z. The update package is 5.42 GB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ed8330227bc76c8cf054582380448c3952189800.zip.