iPadOS 8.3 (build 12F5047f) is an official Apple over-the-air update for the iPad 4 (GSM), released on 2015-03-12T16:56:07Z. The update package is 54.79 MB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 835ba3a86f24173d9e03aacab351713bc24b6fa3.zip.