iOS 9.3 (build 13E5214d) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2016-02-22T17:47:32Z. The update package is 98.41 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: 6c27f997f360e1b8b419f008050cf46712568325.zip.