iOS 9.9.12.0.1 (build 16A405) is an official Apple over-the-air update for the iPhone XR, released on 2018-10-08T17:11:48Z. The update package is 2.42 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: 429d671d25a5aa9a2ba98225f918e4923c3b7cc2.zip.