iOS 13.1 (build 17A5844a) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2019-09-18T17:06:52Z. The update package is 249.33 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: 3745146e7342d7a11dc46cee0cc307dffefa45aa.zip.