iPadOS 13.1 (build 17A5831c) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2019-09-04T17:05:33Z. The update package is 493.32 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: ed3ac1518548874d82b56e115c5fdb1f19fe165b.zip.