iOS 9.2.1 (build 13D15) is an official Apple over-the-air update for the iPhone 5c (GSM), released on 2016-01-19T17:59:46Z. The update package is 24.06 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: 4b70436034f47e2d96068d34835850d729c05ca4.zip.