iOS 12.2 (build 16E5223a) is an official Apple over-the-air update for the iPhone 6s, released on 2019-03-11T17:09:51Z. The update package is 684.69 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: e5086a1267c0f5d49c096d1737d9fc3f145f4112.zip.