iOS 9.9.12.4.2 (build 16G6114) is an official Apple over-the-air update for the iPhone 6, released on 2019-09-26T17:06:03Z. The update package is 2.2 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: e430132cc5892f05c72097bb0741517b4a83ca08.zip.