iOS 12.2 (build 16E5223a) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2019-03-11T17:09:56Z. The update package is 772.78 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: 42511f01ecfc323944fd8199437e248bac5603f6.zip.