iOS 12.1.2 (build 16C101) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-12-17T21:05:58Z. The update package is 399.09 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 07b4fb6a03f54b410975f7c337be1e243c63404c.zip.