iOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2016-03-21T18:56:16Z. The update package is 910.66 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: 9e515c5e3450faf4972e4ea1ecf6652a4659bdb3.zip.