iOS 9.3.1 (build 13E238) is an official Apple over-the-air update for the iPhone 5c (Global), released on 2016-03-31T16:54:58Z. The update package is 908.7 MB. This is a delta (partial) update that requires 8.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 56852dec0802bc723c0cfd0153a70c04c9aec187.zip.