iOS 13.0 (build 17A5508m) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2019-06-17T17:04:19Z. The update package is 2.03 GB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 31f82552e2b9b80fbda7744e9b8f01566fe5e0bb.zip.