iOS 13.4 (build 17E5233g) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2020-02-19T18:24:46Z. The update package is 388.1 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: ff8bed646596dfac59c684464c63b3586208157a.zip.