iOS 12.2 (build 16E5191d) is an official Apple over-the-air update for the iPhone 6s, released on 2019-02-04T18:06:18Z. The update package is 645.96 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: db030002b556b8e25eba6f0750b8ce64b8fc622f.zip.