iOS 10.3.4 (build 14G61) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2019-07-22T17:08:08Z. The update package is 137.29 MB. This is a delta (partial) update that requires 10.3 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: 94cbc0d39d32c5ccc52e71ae8c8fe30bb4dfe84a.zip.