iPadOS 9.9.11.3 (build 15E216) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2018-03-29T17:05:49Z. The update package is 1.33 GB. This is a delta (partial) update that requires 9.3.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 04495260317b5359dd2656fbd6abdc3df7c72e71.zip.