iPadOS 8.1.3 (build 12B466) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2015-01-27T17:55:05Z. The update package is 596.78 MB. This is a delta (partial) update that requires 8.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5519d2f387f0d5f50455ba79f5f50f22e12c8d14.zip.