iPadOS 9.3.6 (build 13G37) is an official Apple over-the-air update for the iPad 3 (CDMA), released on 2019-07-22T17:06:31Z. The update package is 1007.89 MB. This is a delta (partial) update that requires 8.1.3 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: edf7cbd105af78208aae712171ec462cdd531a0f.zip.