Iframe issue in ios 

I am using Iframe of web on mobile apps (android & IOS). The iframe contains onchange action on input element. This action is not triggered on IOS but it is working fine on web and android apps.

and buttons in general are not working 

any help please , The iframe not trigger any server action [onchang -onclick] in ios  

Community GuidelinesBe kind and respectful, give credit to the original source of content, and search for duplicates before posting.