iOS 9.9.11.1.2 (build 15B202) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-11-16T21:21:58Z. The update package is 1.45 GB. This is a delta (partial) update that requires 9.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 37f1b4c5c0d7556b81211ef25bfc9cc862668f2c.zip.