iOS 12.1.1 (build 16C5050a) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2018-11-15T18:04:48Z. The update package is 88.58 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a8de9e4ab69a0a54c6ccf75e2c2d1d5ea03fff50.zip.