iOS 13.5 (build 17F5065a) is an official Apple over-the-air update for the iPhone 6s+, released on 2020-05-06T17:09:08Z. The update package is 355.76 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: 39961f8bceac371c763f28e6f028f456cb5ff467.zip.