iPadOS 11.3 (build 15E5216a) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2018-03-16T17:05:06Z. The update package is 52.23 MB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ded973f8d88e2225be6016a485988984ac96fa48.zip.