iOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2017-01-23T18:07:59Z. The update package is 874.1 MB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 682f523d73e1027327095aff17bb5315fd1f8440.zip.