iOS 8.3 (build 12F70) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2015-04-08T17:56:11Z. The update package is 1.17 GB. This is a delta (partial) update that requires 7.0.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 130d97a097b12021379bde731b2b32e3e28e1d5a.zip.