I've never really needed more than 4g and from what I read 5g has severe problems with penetrating solid structures. We have a tiny screen on our phone how muc

I've never really needed more than 4g and from what I read 5g has severe problems with penetrating solid structures. We have a tiny screen on our phone how much more bandwidth do we need? You would probably have to hold the screen directly to your eyeball to need 4k videos on your phone.