iOS 9.2.1 (build 13D14) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2016-01-04T17:58:49Z. The update package is 23.94 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6734edcf9f0019e2a0ed4935e44c1631f5578547.zip.