iOS 9.9.12.5.1 (build 16H6022) is an official Apple over-the-air update for the iPhone 6, released on 2021-01-11T18:14:16Z. 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: 7a59831e3b5071ffdbc8129726d5c155a1d2450b.zip.