iOS 10.3.2 (build 14F5080a) is an official Apple over-the-air update for the iPhone 6s, released on 2017-04-17T17:11:27Z. The update package is 537.73 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: 388b6da204cb802df1cbf52279fd78ce0a78ba14.zip.