iOS 13.4.5 (build 17F5044d) is an official Apple over-the-air update for the iPhone 6s+, released on 2020-04-15T17:16:15Z. The update package is 322.83 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: c6e793b0b5e0fd956a36071de6824ee334388165.zip.