iOS 13.0 (build 17A5572a) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2019-08-21T17:05:15Z. The update package is 122.77 MB. This is a delta (partial) update that requires 13.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 232ab9febaabaeaf789676cb8aaeb25b3a616741.zip.