Hello Ethan,
I already replied in the support ticket that you opened on the same subject. For convenience I will paste my reply here as well:
The problem occurs because when you open an external site the page reloads and mobile application loses its state.
As a workaround I suggest you to navigate back manually on click of the backbutton. If an error occurs you should catch it and navigate to the root View. For example:
Regards,
Alexander Valchev
Telerik
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