iPadOS 12.1.1 (build 16C5036c) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2018-10-31T17:03:44Z. The update package is 308.25 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: 26d3f9d380637bb9c762d156a94dd0ec073478f0.zip.