iOS 13.4.5 (build 17F5034c) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2020-03-31T17:20:15Z. The update package is 405.88 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: 3d5ec2f7cdd2d992fdcbbe5ab0eacb862f065baf.zip.