iOS 9.2 (build 13C75) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2015-12-08T18:04:05Z. The update package is 1.1 GB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e4179d64eb846e38f046569c068d55ac41d43252.zip.