iOS 11.2 (build 15C5107a) is an official Apple over-the-air update for the iPhone 6s, released on 2017-11-13T18:04:10Z. The update package is 142.81 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2d7f94274c793f686839b7aed4c968c433c7df04.zip.