iPadOS 12.1.1 (build 16C5050a) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-11-15T18:04:32Z. The update package is 287.79 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0e4edd3bc91e8ba080081bdd9313cb31ba2a61c5.zip.