iPadOS 9.3.6 (build 13G37) is an official Apple over-the-air update for the iPad 3 (CDMA), released on 2019-07-22T17:06:33Z. The update package is 342.6 MB. This is a delta (partial) update that requires 9.0 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: e90e690c3d659f1b60ec0fcca31ad07ac683f509.zip.