iOS 12.2 (build 16E5227a) is an official Apple over-the-air update for the iPhone 6s+, released on 2019-03-18T17:07:33Z. The update package is 699.03 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: 9426fa95f375e7cbd1cf9f1f4164ca91abd6aec9.zip.