iPadOS 9.9.13.7 (build 17H33) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2020-08-26T17:09:18Z. The update package is 2.66 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: 508fc793b4d9c2d1e823b1c5a56bec2423deaaf4.zip.