iOS 12.2 (build 16E5201e) is an official Apple over-the-air update for the iPhone 6s, released on 2019-02-19T18:07:14Z. The update package is 660.29 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: 6e03e3241a39e5d55e6bb8d8914aca2caf998829.zip.