iOS 10.3.2 (build 14F5075a) is an official Apple over-the-air update for the iPhone SE, released on 2017-04-10T17:10:09Z. The update package is 530.22 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: 57cc61d0b4c50843f8e81566912339a8b2f1be88.zip.