iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2019-01-22T18:06:28Z. The update package is 1.31 GB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 427fb8209ee4d883db265e10f22008099e28357e.zip.