iPadOS 13.1 (build 17A5837a) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2019-09-10T20:13:02Z. The update package is 368.35 MB. This is a delta (partial) update that requires 13.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 41900938014c74b1ddbb41621e43b117a6985df9.zip.