iPadOS 9.9.11.1 (build 15B93) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2017-10-23T17:01:22Z. The update package is 1.19 GB. This is a delta (partial) update that requires 9.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7d6f970f5ee7f5ad07a20ce4d7a4f4db07abceff.zip.