iOS 9.9.16.3.1 (build 20D67) is an official Apple over-the-air update for the iPhone XR, released on 2023-02-13T18:24:48Z. The update package is 4.54 GB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0e021e3cd4642214070c58a23ded8e357ef06550.zip.