iOS 12.1.1 (build 16C50) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-12-05T18:11:22Z. The update package is 499.22 MB. This is a delta (partial) update that requires 12.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f4e9e63758a6790d433da55edeb64a09e02eea93.zip.