iOS 13.1 (build 17A5837a) is an official Apple over-the-air update for the iPhone XR, released on 2019-09-10T20:25:34Z. The update package is 375.89 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: a6041596e14b968e901a8cde55b995e349f5dd2a.zip.