iPadOS 9.1 (build 13B143) is an official Apple over-the-air update for the iPad 3 (WiFi), released on 2015-10-21T17:15:50Z. The update package is 977.43 MB. This is a delta (partial) update that requires 8.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d7212862c353f535c7a9c7c0bd84e27b4e0df0e3.zip.