iOS 9.3 (build 13E237) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2016-03-28T16:52:29Z. The update package is 222.93 MB. This is a delta (partial) update that requires 9.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5106bb1d228d9f65449c07ca164e59c9ff356a73.zip.