iPadOS 9.3.6 (build 13G37) is an official Apple over-the-air update for the iPad 3 (CDMA), released on 2019-07-22T17:06:25Z. The update package is 1.05 GB. This is a delta (partial) update that requires 7.1 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: 64d13bfbd688beb6e7fcd53b2e8a4d2b21c4cfae.zip.