What could be causing the strange behavior of flickity slider on mobile devices and how can I resolve it?

Question

I am using flickity slider but its behaving strangely in mobiles. its looking fine in chrome inspect mobile views.
chrome inspect s20

In s20 original phone - enter image description here

Is it because of loading speed of images as flickity slider decides viewport size based on the components ( images inside.. Should I add lazy loading?

I tried adding exact width and size, lazy loading to some