iOS 9.3.3 (build 13G34) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2016-07-18T17:55:22Z. The update package is 1.14 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: f7719dc45edee8c4ed42d9c5c2371ca5e6aaf419.zip.