iOS 13.1 (build 17A5837a) is an official Apple over-the-air update for the iPhone XR, released on 2019-09-10T20:25:45Z. The update package is 270.03 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: 7961739b6090f73a8c2e4077a8d418ed10a9c16e.zip.