iOS 13.4 (build 17E5241d) is an official Apple over-the-air update for the iPhone X (GSM), released on 2020-02-26T18:17:49Z. The update package is 306.8 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: bcf3162f051cf6183cef0d840e5bcec8a8e88ed5.zip.