iPadOS 11.4.1 (build 15G5054c) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2018-05-30T17:04:54Z. The update package is 195.82 MB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d7be427b9967b49094a6701f5c705b66b28cfce6.zip.