iOS 9.9.12.3.1 (build 16F6203) is an official Apple over-the-air update for the iPhone XR, released on 2019-05-24T17:04:20Z. The update package is 2.49 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: 1a8ce0599c1ff5b3613e6ea88ee1df9f4688ea48.zip.