iOS 13.4 (build 17E5223h) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2020-02-05T18:17:24Z. The update package is 802.78 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: 2542a6bbfb8966bc6f5456a3ad7ca8d56e8e39b6.zip.