iOS 9.9.11.4 (build 15F5077a) is an official Apple over-the-air update for the iPhone 6+, released on 2018-05-14T17:17:18Z. 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: 3140b901207e7d50371f33b6626896b2b89c07c6.zip.