iOS 9.9.10.1.1 (build 14B100) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2016-10-31T14:59:32Z. The update package is 1.42 GB. This is a delta (partial) update that requires 7.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 64ae42957c9b3ed153ef3c1a80a041a3ce92843b.zip.