iPadOS 13.1 (build 17A5821e) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2019-08-27T17:28:05Z. The update package is 362 MB. This is a delta (partial) update that requires 13.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dd247efdd556e5334592b03f180da75a7e407ac4.zip.