iOS 13.4 (build 17E5249a) is an official Apple over-the-air update for the iPhone XR, released on 2020-03-03T18:20:13Z. The update package is 898.06 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: e05dd3593193afbf13a02b210aebf17e657233b0.zip.