iPadOS 9.3 (build 13E6233) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2016-03-21T18:55:14Z. The update package is 1.19 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3014e08aff1cb0f1f1697ec5cc6b535d823dbeaa.zip.