iOS 10.3.2 (build 14F89) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-05-15T17:02:50Z. The update package is 187.37 MB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 015cae85e983d5c06a57f690ae3b0d2656178995.zip.