iOS 9.9.12.1.3 (build 16D5032a) is an official Apple over-the-air update for the iPhone 6, released on 2018-12-19T18:07:05Z. The update package is 2.15 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: b8a7c475ffe0108f204cf03bcc065ee538583439.zip.