maartenbcn

solved, it was a conflict with the Checkout Field Editor for WooCommerce

in woocommerce we have bank payments and payU activated as payment methods

Thanks Luiggi
Theme: Storefront
Plugins:
Akismet Anti-Spam
Checkout Field Editor for WooCommerce
Code Snippets
Contact Form 7
Direct Checkout for WooCommerce
Extra Product Options for WooCommerce
Flexible Checkout Fields
Fluid Checkout for WooCommerce
Hello Dolly
Imagify
one.com
one.com Maintenance Mode
one.com Spam Protection
Performance Cache
Polylang
Polylang Theme Strings
SMNTCS Custom Logo Link
Theme and plugin translation for Polylang (TTfP)
WC Custom Thank You
WooCommerce
WooCommerce – PayU Latam Gateway
WooCommerce Breadcrumbs
WooCommerce Custom Add To Cart Button
WooCommerce Polylang Integration`

Aslo, in safari this happens, so not only on mobile. In chrome it works.

I also assigned extra memory to the site, but it still doesnt work ??