iOS 13.1 (build 17A5831c) is an official Apple over-the-air update for the iPhone XS, released on 2019-09-04T17:06:16Z. The update package is 470.79 MB. This is a delta (partial) update that requires 13.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c67f72a190ebe05f6bf17f9cec83d067b49cf3b6.zip.