iPadOS 9.9.12.1 (build 16B6092) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2018-10-30T17:03:53Z. The update package is 1.99 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 63e164afc7cbf61e1b1a3adf858fd701ae039159.zip.