iOS 9.3.3 (build 13G33) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2016-06-29T16:53:59Z. The update package is 46.9 MB. This is a delta (partial) update that requires 9.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ae2319c08b1f3a9748805bc6e328dcb8a3a3ce5c.zip.