iOS 10.3 (build 14E5269a) is an official Apple over-the-air update for the iPhone 5c (GSM), released on 2017-03-08T17:59:40Z. The update package is 253.39 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: ac6d84a6dc532a234eac6d3f60f70ea3a8ee19fa.zip.