iOS 12.2 (build 16E5212f) is an official Apple over-the-air update for the iPhone 6s, released on 2019-03-04T18:05:07Z. The update package is 671.09 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: 7ebf62221fb59280cadd454445d9aaee80c8dca4.zip.