iOS 13.1 (build 17A5831c) is an official Apple over-the-air update for the iPhone XR, released on 2019-09-04T17:06:19Z. The update package is 265.29 MB. This is a delta (partial) update that requires 13.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ac895e68dea98428a64164c2f66d584153012bac.zip.