iPadOS 12.1.3 (build 16D39) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2019-01-22T18:06:14Z. The update package is 1.31 GB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 430707954e3ef7ccbf3855862f33d757909839ba.zip.