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 245.62 MB. This is a delta (partial) update that requires 8.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 73d62de7e98d702a9a43497e51fd2d9ff38f0cf2.zip.