iOS 9.9.11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-11-16T21:22:01Z. The update package is 1.45 GB. This is a delta (partial) update that requires 9.3.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4e9572d65787f5c2a48116bcf2e22a9296d38e71.zip.