iPadOS 12.1.3 (build 16D5039a) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2019-01-10T18:08:37Z. The update package is 34.46 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: ea28adb8cb79e32b6d9122ffcc48a0752fa69fd3.zip.