iOS 9.9.12.1.1 (build 16C5050a) is an official Apple over-the-air update for the iPhone 6, released on 2018-11-15T18:04:58Z. The update package is 2.14 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: 40e3ee874d46c2b4097460ec3b8f0abab236e10f.zip.