iOS 9.9.10.3.3 (build 14G60) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-07-19T17:03:37Z. The update package is 1.13 GB. This is a delta (partial) update that requires 9.3.1 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: a88b39269033540da823bf4f50e02c99f598bcdb.zip.