iPadOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPad 4 (GSM), released on 2016-03-28T16:51:10Z. The update package is 1.01 GB. This is a delta (partial) update that requires 8.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d9ee3d5926ac21743320d02cdf502ccb73db1656.zip.