iPadOS 11.2.5 (build 15D5059a) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2018-01-17T18:04:36Z. The update package is 148.51 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: 152651ba02a1a235e650960b6b883133e3c45be4.zip.