iOS 9.9.12.5.2 (build 16H30) is an official Apple over-the-air update for the iPhone 6, released on 2021-03-26T17:27:27Z. 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: 3c29ee818538132520f2d76db9df24ecb2335440.zip.