iOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2019-01-22T18:12:45Z. The update package is 1.87 GB. This is a delta (partial) update that requires 10.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8994eaf481f3d397b429fcbd10f12e44cb42c6cf.zip.