iOS 12.1.2 (build 16C101) is an official Apple over-the-air update for the iPhone 6, released on 2018-12-17T21:06:52Z. The update package is 55.63 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2c64da61e6df829f321404034d752641f0eb6deb.zip.