iOS 10.3 (build 14E5269a) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2017-03-08T17:59:39Z. The update package is 253.36 MB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 81e391da8f0013cdd01f5a55c03bd36a0e093541.zip.