iPadOS 11.0 (build 15A5318g) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2017-07-10T16:58:18Z. The update package is 307.12 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4f0756514f84bbba99ac87c2574ec7b7c014b12a.zip.