1. iphone Xs, Safari
2. yes, friends
3. yes, every page
4. yes, Hello Elementor works fine
5. no.
Thank you for response and nice check steps!
about point 5, it is a good point, I checked the demo we imported
https://xstore.8theme.com/elementor/
It doesn’t have such problem.
So, I am confused now, what would be my next step to solve this problem