iPadOS 9.9.11.0 (build 15A5318g) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-07-10T16:59:54Z. The update package is 1.62 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: ae0352cb52c43f4e320a518272fd3824fa5941c7.zip.