iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-10-30T17:06:00Z. The update package is 1.26 GB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 571a7b186aa6fb2dace553203bd15c3e5f60f4c5.zip.