iOS 13.4.5 (build 17F5044d) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2020-04-15T17:16:20Z. The update package is 218.88 MB. This is a delta (partial) update that requires 13.4.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3421017f1c257c8c414091526fef4e01b4f34934.zip.