iOS 10.3.2 (build 14F5089a) is an official Apple over-the-air update for the iPhone SE, released on 2017-04-27T16:59:09Z. The update package is 530.08 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: d52f04008257540524c42e65c60a65072d1d062f.zip.