iPadOS 12.1 (build 16B5084a) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2018-10-15T17:03:04Z. The update package is 405.46 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7e279e58e03764fc5ecf4578e9d88e90584f1466.zip.