iOS 13.1 (build 17A5844a) is an official Apple over-the-air update for the iPhone XS, released on 2019-09-18T17:06:58Z. The update package is 274.06 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: cf99d945de746a97f7e4626ef20d17ac7f4b4f09.zip.