Fiver phones stacked on each other
Several phones stacked on wooden table
three black phones in a stack of five
one white phone in a stack of five 
one silver phone in a stack of five 
one black phone on top of stack of phones
completely white wall behind wooden stack of phones
identical phones stacked on one another 
white phone stacked in the middle of the pile
Stack of phones on top of table.
Table on which the stack sits.
Stack of cellphones.
two black phones sitting on top of a wooden table