iPadOS 11.1 (build 15B101) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2017-10-31T16:59:39Z. The update package is 1.15 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b0ac667ba826a8f858b8f6fb2942ca2e7298166a.zip.