Extraordinarily sizzling cellphone

I received the CMF Telephone 1 (dimensity 7300 8gb ram). I used to be taking part in genshin and the cellphone out of the blue received actually sizzling my fingers had been simply hurting (I put the whole lot to medium). Was it as a result of I set the graphics to medium? Can this cellphone deal with medium? And can it injury the cellphone? I additionally received a plastic cellphone cowl which might be dangerous. Please reply asap thanks.