iOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-10-30T17:15:46Z. The update package is 496.84 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: bd622517ea3c43784682fd1ef76f23e86862f617.zip.