iOS 13.4.5 (build 17F5034c) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2020-03-31T17:20:29Z. The update package is 380.67 MB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6f8ca7be601ddde28cc2c21c339c736f21632195.zip.