iPadOS 11.2.5 (build 15D5049a) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2018-01-03T18:16:08Z. The update package is 108.88 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: 2bf242f3709e0896bc6c707617ff5f620bd4e9e7.zip.