iOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPhone SE, released on 2017-01-23T18:08:42Z. The update package is 317.58 MB. This is a delta (partial) update that requires 10.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 251fbe37f52c4fee086fdeb2b9d740c2c033bc05.zip.