iOS 9.9.17.4 (build 21E219) is an official Apple over-the-air update for the iPhone XR, released on 2024-03-05T18:18:23Z. The update package is 5.46 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: 3506b9ccef2a412778d6307dec2580b929ab30b8.zip.