iOS 13.4 (build 17E5241d) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2020-02-26T18:17:46Z. The update package is 826.18 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: f33d555649e22bad85ce68b87e27fc3d6bb1a9b6.zip.