iOS 13.3 (build 17C5046a) is an official Apple over-the-air update for the iPhone X (Global), released on 2019-11-20T18:04:15Z. The update package is 155.29 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: 578ba88f365f630f462f1985e9b0ba569851a557.zip.