iOS 12.1.3 (build 16D5032a) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-12-19T18:06:54Z. The update package is 333.71 MB. This is a delta (partial) update that requires 12.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 563ee879dc651c16b7b8db78a0735b0774e95518.zip.