iOS 9.3.3 (build 13G33) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2016-06-29T16:53:53Z. The update package is 30.5 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: e8f34e640c4baf5b82cdd68f62e93fae9fe48355.zip.