iOS 12.2 (build 16E5212f) is an official Apple over-the-air update for the iPhone 6, released on 2019-03-04T18:05:06Z. The update package is 670.26 MB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5956048c96442bdd10ef3fb01d10523866cb39c8.zip.