iOS 13.0 (build 17A5534f) is an official Apple over-the-air update for the iPhone 6s+, released on 2019-07-17T17:35:20Z. The update package is 783.91 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: 302974854a6bb67c29ef84e4d60d4e10f6387303.zip.