iPadOS 12.1.3 (build 16D5037a) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2019-01-07T18:06:53Z. The update package is 82.24 MB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: eb76b5eb8f5c8ce6d96a2f002979f24cd121fd68.zip.