iOS 10.3.4 (build 14G61) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2019-07-22T17:08:09Z. The update package is 46.22 MB. This is a delta (partial) update that requires 10.3.3 already installed. This update is currently signed by Apple, so it can be applied from Settings › General › Software Update.

Payload file: dae5c548a965f883b54bb49c6ccf34afea889b85.zip.