iOS 9.9.12.5.6 (build 16H6071) is an official Apple over-the-air update for the iPhone 6, released on 2022-08-31T17:13:15Z. 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: 945d2f2430fd02cb5e72f7081917d6027134303d.zip.