iOS 13.4 (build 17E5241d) is an official Apple over-the-air update for the iPhone 8 Plus (GSM), released on 2020-02-26T18:17:48Z. The update package is 346.95 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: f33256af5a13bd4b95090d3bd62ec35cbdf87263.zip.