iOS 13.4.5 (build 17F5044d) is an official Apple over-the-air update for the iPhone 11 Pro, released on 2020-04-15T17:15:46Z. The update package is 182.62 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: 6cd3352290c65acc088144e0f911d3ebd20c622d.zip.