iPadOS 9.1 (build 13B143) is an official Apple over-the-air update for the iPad 3 (GSM), released on 2015-10-21T17:15:51Z. The update package is 978.64 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: 16750d518a548a07e9524e60bdd93b146ea2d85b.zip.