iOS 13.0 (build 17A5522f) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2019-07-02T17:58:47Z. The update package is 1.01 GB. 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: b2d97293a648561c18c15a92b5069837e74cea9a.zip.