iOS 9.9.11.2 (build 15C5111a) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-11-28T18:00:35Z. The update package is 1.9 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 259ff84a6a9847cc7d096d9a83453f657547ef7d.zip.