iPadOS 9.3.5 (build 13G36) is an official Apple over-the-air update for the iPad 2 (WiFi), released on 2016-08-25T16:53:07Z. The update package is 256.11 MB. This is a delta (partial) update that requires 9.0.1 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: a28368bbc9917361c239d0ea1cec8017306bdb48.zip.