iOS 13.4 (build 17E5241d) is an official Apple over-the-air update for the iPhone XS, released on 2020-02-26T18:17:50Z. The update package is 320.7 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: dbe08fa7e1c7d8d1d2ce15df144c5c942d631d41.zip.