iOS 9.9.17.1.1 (build 21B91) is an official Apple over-the-air update for the iPhone XR, released on 2023-11-07T21:29:39Z. The update package is 5.42 GB. This is a delta (partial) update that requires 12.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 07364c3b9ce50244b6867ea77b108f4057c6c74e.zip.