iOS 13.4 (build 17E5233g) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2020-02-19T18:24:43Z. The update package is 889.94 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: 8bbebc862eb3849fa4ff457e1d18c29821ddc324.zip.