iOS 13.4 (build 17E5241d) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2020-02-26T18:17:45Z. The update package is 346.25 MB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2e029ffe9b1e6fee8413245c09f655db5fead528.zip.