iOS 13.0 (build 17A5556d) is an official Apple over-the-air update for the iPhone 6s+, released on 2019-08-07T17:04:53Z. The update package is 558.6 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: 7b239a32051f807d4828f39993cdb412f0ed3d95.zip.