iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2018-01-08T18:14:37Z. The update package is 336.28 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c210853f7d43fbd5743b61792cf3652eae14c024.zip.