iPadOS 10.2 (build 14C92) is an official Apple over-the-air update for the iPad 4 (GSM), released on 2016-12-12T17:57:21Z. The update package is 838.18 MB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6819fc104165b56196b8b543c4069a91d1361f86.zip.