iOS 13.1 (build 17A5844a) is an official Apple over-the-air update for the iPhone 7 Plus (GSM), released on 2019-09-18T17:07:09Z. The update package is 224.09 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: e93fa409bcdb47e17ae0e827988841a29d4e85fd.zip.