iOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPhone SE, released on 2017-01-12T21:12:03Z. The update package is 30.64 MB. This is a delta (partial) update that requires 10.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 564dbc6dd8b67b3f30222a016e261c0b0ec1c3ef.zip.