iOS 9.2 (build 13C75) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2015-12-08T18:04:01Z. The update package is 964.06 MB. This is a delta (partial) update that requires 8.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 49dbbd68e71e823c37395b9f951e31b2520c5e7f.zip.