iPadOS 11.2.5 (build 15D60) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-01-23T18:26:46Z. The update package is 466.04 MB. This is a delta (partial) update that requires 11.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f18d7ff486a1b667d7814d3355b4e76bfee1417d.zip.