iOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2018-01-08T18:16:05Z. The update package is 396.74 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f909f80d5204717bf68fc3ffa084c37767ca31a1.zip.