iOS 10.3.4 (build 14G61) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2019-07-22T17:07:56Z. 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: 1bc7b173cae90361d7820409ecc2fa5d5427144a.zip.