iPadOS 12.1.1 (build 16C5050a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2018-11-15T18:04:41Z. The update package is 68.58 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 73099c4340359c493e6bf763547a89d755095249.zip.