iOS 9.9.10.0.2 (build 14A456) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2016-09-23T15:53:11Z. The update package is 1.29 GB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8bb05b5003edfe5dca82b5bab9c6d26f10ee871f.zip.