iOS 12.1.2 (build 16C101) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-12-17T21:05:56Z. The update package is 525.48 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: f45fb2b259e268b8b442c49adac1370d4c36db1f.zip.