iOS 13.1 (build 17A5821e) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2019-08-27T17:29:44Z. The update package is 389.61 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: e767bea1fed5cdea5335aca4b6a51c2c7c0c9dad.zip.