iOS 12.1.1 (build 16C50) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2018-12-05T18:09:47Z. The update package is 520.65 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a337e98c745a69b23f22d32c496f96fc9ce9ca7f.zip.