iOS 13.0 (build 17A5547d) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2019-07-29T17:17:25Z. The update package is 588.35 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: 38d461325150498bf6e0c01ab80e353eba8404bb.zip.