The7 Slider Revolution navigation button not work on ios

Dear Sir/Madam,

I am using the7 theme to do the one page website and I have created a standard slider of it. It works fine on PC and android. However, when viewing using iphone, buttons / navigations do not work. How can I solve it?

Hi,

Contact with your purchase item author @Dream-Theme hope they will help you out from your issue.
Make a comments with with your question right here as a comments.

Thanks!