iOS 13.1 (build 17A5821e) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2019-08-27T17:29:03Z. The update package is 414.84 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: d805d05f5df81e3dccea8ef8208b541ab22f15fa.zip.