iOS 9.9.17.5 (build 21F79) is an official Apple over-the-air update for the iPhone XR, released on 2024-05-13T17:33:46Z. The update package is 5.51 GB. This is a delta (partial) update that requires 12.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b7fe11778a22021ce2310aa162c3fbb0394d1808.zip.