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 967.13 MB. This is a delta (partial) update that requires 8.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 905dd1a5bc4577c7bddfdc4ea0bd152f92a324d3.zip.