iPadOS 8.1.3 (build 12B466) is an official Apple over-the-air update for the iPad 2 (Mid 2012), released on 2015-01-27T17:55:03Z. The update package is 241.39 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: fbf39ef72bcda0ff1c85cedf2a1109496293faa8.zip.