iOS 9.1 (build 13B143) is an official Apple over-the-air update for the iPhone 5c (Global), released on 2015-10-21T17:16:02Z. The update package is 865.29 MB. This is a delta (partial) update that requires 8.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f0b45553b9fa056a15307b752256d7133332239a.zip.