iOS 13.4.5 (build 17F5044d) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2020-04-15T17:15:39Z. The update package is 416.64 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: f6e5d8cf82a0fbcf68cafb28f181e9d6113e75eb.zip.