iPadOS 8.1.3 (build 12B466) is an official Apple over-the-air update for the iPad 2 (GSM), released on 2015-01-27T17:55:03Z. The update package is 136.99 MB. This is a delta (partial) update that requires 8.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4253b8651d603149a50ad19b982bf4ce0e49dfd8.zip.