iPadOS 12.1.1 (build 16C5050a) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2018-11-15T18:04:31Z. The update package is 63.73 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: 6312ae8cc9291cfadacdd856723ffd0c10aa8f43.zip.