iOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2017-01-23T18:08:00Z. The update package is 37.81 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: e01f9c9d710c0ba5be0dcd7957fc9542fcb6dabc.zip.