iPadOS 11.2.5 (build 15D5057a) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-01-11T18:03:11Z. The update package is 135.11 MB. This is a delta (partial) update that requires 11.2.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 222cbf4c6beb674d7ba4f47a9c1d6b8ae9464089.zip.