iOS 10.3.2 (build 14F5089a) is an official Apple over-the-air update for the iPhone 6s, released on 2017-04-27T16:59:01Z. The update package is 221.94 MB. This is a delta (partial) update that requires 10.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1ae2b888a55fff33fe230d1f65c98c94d1c5413c.zip.