iOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPhone 11 Pro, released on 2020-02-05T18:17:32Z. The update package is 830.27 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: 5c246bd4310932233d9917b9a87504776465a194.zip.