Logo and slider images disappear on mobile

On the laptop it looks perfect.But on my phone the logo and slider images disappear.
(Other pictures are fine) https://pasteboard.co/1ubUROe8j.png
I tried entering the image links in the phone browser and they showed up.
What can i do to get them to show up on the phone

Hello there,

Please make sure your image file names don’t contain any special character for some web browsers can’t read it.