iPadOS 11.3 (build 15E216) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-03-29T17:06:30Z. The update package is 672.82 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8b834f5c5cc6c3423dd1021542c886546713b2e7.zip.