iOS 9.9.12.4.6 (build 16G6183) is an official Apple over-the-air update for the iPhone 6, released on 2020-03-24T17:05:02Z. The update package is 2.13 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: f3c7cef9cb910e960c5c5c6a62d4ebd3c20d73aa.zip.