iOS 9.3.3 (build 13G21) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2016-06-06T16:47:08Z. The update package is 30.22 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: e6bb44db4f1b462ee36bbe988a549c91ce4ac09b.zip.