iOS 10.2.1 (build 14D27) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2017-01-12T21:11:58Z. The update package is 21.96 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: 62671a1d2ece3f7dcf3ded0385c0f7f0ad6f9eff.zip.