iOS 9.9.11.4 (build 15F5037c) is an official Apple over-the-air update for the iPhone 6+, released on 2018-04-02T17:06:55Z. 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: c309daa2348431181f26bffeeb201cf6e5c699b7.zip.