iOS 13.1 (build 17A5844a) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2019-09-18T17:07:08Z. The update package is 223.81 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: e0ed3c50f312a27f372abac798a5b0b0b3851360.zip.