iOS 9.9.11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 6s, released on 2017-11-16T21:21:40Z. The update package is 1.42 GB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 05bb13a94308a3be22151e477bfde76d70a6a4fb.zip.