iOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2016-03-21T18:56:17Z. The update package is 282.65 MB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9c7c6740b0495e31dd1b50d4526b998a992710cc.zip.