iOS 9.3 (build 13E5181f) is an official Apple over-the-air update for the iPhone 5c (Global), released on 2016-01-14T18:01:24Z. The update package is 20.65 MB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f40d37eb76ab0ef082506db6f372c1e2beff6732.zip.