iPadOS 12.1 (build 16B5089b) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2018-10-22T17:01:35Z. The update package is 405.74 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: 134284fbdd2c51aa8a93b3de794ad95dd28e18a0.zip.