iOS 13.4 (build 17E5249a) is an official Apple over-the-air update for the iPhone X (GSM), released on 2020-03-03T18:20:11Z. The update package is 159.48 MB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cc18a262c39140f886625d774711a0e004ca2a1a.zip.