iPadOS 9.3 (build 13E6233) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2016-03-21T18:55:15Z. The update package is 1.34 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: ba5999d335f18f4d8f71500e7e14a2bc6bcb6548.zip.