iOS 13.4 (build 17E5233g) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2020-02-19T18:24:48Z. The update package is 388.56 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: 2c34b7335248f3ae401f178fec08b70170d71e01.zip.