iOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPhone XR, released on 2020-02-05T18:17:31Z. The update package is 826.62 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: e9ec04531fe2ff07c3781b5c8614ca52f87775e1.zip.