iOS 13.3 (build 17C5053a) is an official Apple over-the-air update for the iPhone XR, released on 2019-12-05T21:11:31Z. The update package is 686.39 MB. This is a delta (partial) update that requires 13.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 05d799922949b7b9a0fc8fc257ac151d187280ad.zip.