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 128.59 MB. This is a delta (partial) update that requires 13.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cae828871fa9a9188ace8f433bf183e83177e388.zip.