The rear of the smartphone, camera panel, - the most prominent place, because it is her first of all pay attention to when you're on it, put it on a table or carry in a holster.
Ezingemuva smartphone, iphaneli ikhamera, - indawo evelele kunazo zonke, ngoba kwaba wakhe wokuqala kuyo yonke unake uma ukhuluma kuwo, wakubeka phezu kwedeski noma uthwale a holster.