iPadOS 9.3.5 (build 13G36) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2016-08-25T16:53:22Z. The update package is 449.61 MB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 30902cbe789a8258ccf79efd13b412a66f1a8576.zip.