iOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPhone SE, released on 2017-01-23T18:08:43Z. The update package is 66.35 MB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 35de9db4d098947d57326bee1b47f0183fda35ff.zip.