When a new iOS firmware is released to the public, millions of iOS users are trying to download and install it right away. The huge amount of traffic on Apple servers means that it will sometimes fail to keep up with some of the requests. Solution 2: Wait for a few hours before trying again Press the close button to exit the error message, wait for a couple of minutes and then proceed with installing iOS 10 again from Settings. When the error popup appears, you will be prompted with two options namely “Close” and “Settings”. How to Fix iOS 10.3.3 Software Update Failed Error Solution 1: Try again If you face this problem, luckily we have a couple of solutions to fix it. A “Software Update Failed” popup will appear followed by a message that says “An error occurred downloading iOS 10.3.3”. The error has occurred when iOS 10 was released and may occur in the latest software update as well. This is one of the most common issues that users face when updating to a new iOS firmware. An example is the “Software Update Failed: An error occurred downloading iOS 10.3.3” error that might pop up when installing iOS 10 over-the-air (OTA). It’s exciting to install a new firmware on your iOS device but you may sometimes come across a problem that will leave you disappointed.
