iOS 9.9.13.1 (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 2.9 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6a1995f0a50e5294d471ecc0f92e70a6c97d13aa.zip.