iOS 12.2 (build 16E5227a) is an official Apple over-the-air update for the iPhone 6s, released on 2019-03-18T17:07:31Z. The update package is 684.77 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: a4687947cf656a563350c4edc29a4e3250c53a09.zip.