iOS 13.1 (build 17A5831c) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2019-09-04T17:06:26Z. The update package is 267.19 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: 752b3e4d78afcfcd904139167c25d8dfb74b804c.zip.