Fast charging a phone will cause more than usual warming up of a phone which has always been the case usually @Maroš
Personally I only use fast charging only when I need a quick fast boost which isn't often.
Also it's sometimes best to remove a case while charging to aid heat dissipation.
Daily Driver > Samsung Galaxy s²⁴ Ultra 512Gb ~ Titanium Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "
