iOS 11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 6s, released on 2017-11-16T21:21:49Z. The update package is 31.57 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 744cda61e82b4927414072dbe5e96624b0873cae.zip.