iOS 10.3.3 (build 14G5047a) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-06-13T16:55:48Z. The update package is 68.39 MB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9baaf93bdff5fd60818efa926edd539a2c658676.zip.