iOS 13.1 (build 17A5821e) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2019-08-27T17:29:43Z. The update package is 396.01 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: 1edb6a3b4aff7ddb9b57814292b5cdfd4fee9aa2.zip.