iPadOS 12.1.3 (build 16D5039a) is an official Apple over-the-air update for the iPad 6 (WiFi), released on 2019-01-10T18:08:45Z. The update package is 237.74 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cbb02eb0026abf9c6adf1e1bc84091a9487b2ce8.zip.