iPadOS 12.1 (build 16B5068i) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2018-10-02T17:11:44Z. The update package is 286.46 MB. This is a delta (partial) update that requires 12.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 41a8a12e7c24ebec56f58b81d52bda0a20d39779.zip.