iPadOS 11.2.5 (build 15D60) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-01-23T18:28:13Z. The update package is 512.5 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 49811ef329475b4653f21446bfd6469374d17ca8.zip.