iOS 12.2 (build 16E5191d) is an official Apple over-the-air update for the iPhone 6s+, released on 2019-02-04T18:06:20Z. The update package is 281.6 MB. This is a delta (partial) update that requires 12.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 76be979d81e57f312e7a1ee5a2d1fb35af380570.zip.