iOS 13.4 (build 17E5255a) is an official Apple over-the-air update for the iPhone 11 Pro, released on 2020-03-10T17:21:29Z. The update package is 113.49 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: 734149b6b25910536a37009df41170df6a6d646d.zip.