iPadOS 9.3 (build 13E5214d) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2016-02-22T17:47:22Z. The update package is 108.97 MB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 304ba7628419520f7624df283880fb6b3c15a854.zip.