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 291.61 MB. This is a delta (partial) update that requires 13.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1e60414e8d1fb2866ae25d64add6357b7081d838.zip.