iOS 9.9.11.4.1 (build 15G5074a) is an official Apple over-the-air update for the iPhone 6, released on 2018-06-25T17:06:32Z. The update package is 1.84 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: 010cf0f0e90ac9b6ee838b67eed649dfe6f6876f.zip.