iPadOS 9.9.10.3.3 (build 14G60) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2017-07-19T16:58:07Z. The update package is 881.46 MB. This is a delta (partial) update that requires 9.3.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0252c3726af92678e743056707f92a6ee1812640.zip.