iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2018-10-30T17:06:18Z. The update package is 1.65 GB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4fe66a5eedcb498a756826de183f4d65571ea882.zip.