iPadOS 11.3 (build 15E5216a) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-03-16T17:05:07Z. The update package is 52.48 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: 8e3ce6db83075307349fc1bcff4ce8ca765b2653.zip.