iOS 13.3 (build 17C5046a) is an official Apple over-the-air update for the iPhone X (GSM), released on 2019-11-20T18:04:18Z. The update package is 155.32 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: e416299f726f71429b0e81f3c3b2d0822d3c0bf3.zip.