iOS 9.9.11.3 (build 15E5216a) is an official Apple over-the-air update for the iPhone 6s+, released on 2018-03-16T17:05:20Z. The update package is 1.98 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: 20611853490ff63ccd6fc9f2f938b0b20186eec7.zip.