iOS 9.9.10.0.2 (build 14A456) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2016-09-23T15:53:10Z. The update package is 1.35 GB. This is a delta (partial) update that requires 8.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 42bcd96f779577f348e0f438ea166c8080c0eac3.zip.