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 865.18 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: 8f602f24f79a2c287e3e0b7ef2bcb5a2cf3a71d4.zip.