iPadOS 11.2.5 (build 15D60) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2018-01-23T18:27:21Z. The update package is 154.41 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8c96b918a84d7a7644e61a3456049d2322926bf3.zip.