iOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPhone 7 Plus (Global), released on 2019-01-22T18:14:02Z. The update package is 267.51 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: 3081719c767caf3846efae3ad9c242228d0c3972.zip.