iPadOS 10.1.1 (build 14B100) is an official Apple over-the-air update for the iPad 4 (WiFi), released on 2016-10-31T14:59:01Z. The update package is 89.18 MB. This is a delta (partial) update that requires 10.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5e33dac84cf400f67f133a7fcd9eae4f41dce743.zip.