iOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPhone 11, released on 2020-02-05T18:17:31Z. The update package is 828.18 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: 0c197df13f95ca3c14dcd97598c6d26457ee8e71.zip.