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

Payload file: a782932342189138f793f94e05c7a1a99e593cac.zip.