iOS 12.1.2 (build 16D5024a) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2018-12-10T18:09:12Z. The update package is 344.16 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: 47ca8cc253892ce0b9349997ce75c8cea9c2bc81.zip.