iPadOS 9.9.11.3 (build 15E216) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-03-29T17:07:14Z. The update package is 1.38 GB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a62c35187f105991fccd13c09432987ab5fd5296.zip.