In some cases, lead to hang "tightly" on the actual device models iPhone and iPad, or older devices on iOS 10.3 attempt to open any link from any third-party application in Safari or a simple transition on a link in the browser.
As a temporary workaround, 9to5Mac recommends disabling JavaScript in Safari in iOS 10.3 additions settings. Nevertheless, it helps not always.
Amazingly, iOS 10.3 final version was preceded by seven test builds of the operating system. But it turned out to be the output is associated with a huge variety of issues, some of which have not yet been solved.
For example, users can not activate immediately upgraded to iOS 10.3 device, but now many do not update available.
