iPadOS 9.3.6 (build 13G37) is an official Apple over-the-air update for the iPad 3 (GSM), released on 2019-07-22T17:06:39Z. The update package is 1010.78 MB. This is a delta (partial) update that requires 8.0.1 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: 46cb12507d855a9e26b56d8572670271ac574bcd.zip.