iOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPhone X (Global), released on 2020-02-05T18:17:24Z. The update package is 756.3 MB. This is a delta (partial) update that requires 13.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 12ce1c87aff0e0ea2302d388e5479143044c8424.zip.