iOS 9.9.13.3 (build 17C54) is an official Apple over-the-air update for the iPhone XR, released on 2019-12-10T18:13:25Z. The update package is 3.26 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: b46d63fc029165376004fceff3730e08fe54b082.zip.