iPadOS 9.3.6 (build 13G37) is an official Apple over-the-air update for the iPad 2 (CDMA), released on 2019-07-22T17:06:00Z. The update package is 876.66 MB. This is a delta (partial) update that requires 7.1.2 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: e93bc295d9cd4dba98e742df16bad0f32362fdeb.zip.