iOS 9.9.11.1.1 (build 15B6150) is an official Apple over-the-air update for the iPhone 6s+, released on 2017-11-09T18:03:07Z. The update package is 1.96 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: 783cd0bf06a2429b7823b86ee111e3bf0224c327.zip.