iPadOS 9.9.11.4.1 (build 15G5074a) is an official Apple over-the-air update for the iPad 6 (Cellular), released on 2018-06-25T17:06:27Z. The update package is 1.78 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: 5df1dde871c2bba7f033c35040aa8d4f74d0a690.zip.