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 706.51 MB. This is a delta (partial) update that requires 7.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a3a8ab5bb5777b22f7365d7447edf5a4d16b509f.zip.