iOS 13.1 (build 17A5831c) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2019-09-04T17:06:10Z. The update package is 519.77 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: 5a7e93a448e24598508a6167febcc95ae53bb069.zip.