iPadOS 9.9.13.4 (build 17E255) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2020-03-18T17:21:58Z. The update package is 2.78 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: 564dacdff240a0a467997ef053f9161c4a6cd9cc.zip.