iOS 9.2 (build 13C5071) is an official Apple over-the-air update for the iPhone 4s, released on 2015-11-10T18:00:36Z. The update package is 143.67 MB. This is a delta (partial) update that requires 9.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 066c4b54d5a2fa5bc2e6c984c5dd230af8a709c2.zip.