iOS 10.3.4 (build 14G61) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2019-07-22T17:08:07Z. The update package is 518.96 MB. This is a delta (partial) update that requires 10.1 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: 03e63a990bfff163bceff90695d4e070d3b154b0.zip.