Both devices feature removable back plates, removable batteries and expandable storage. (androidauthority.com)
This is a very standard all - plastic affair, with glossy plastic edges surrounding the screen and a slightly - textured removable back plate that's made out of stiff and very thin plastic. (androidcentral.com)
The rubberized back is a pleasant addition, giving you some satisfying traction when swinging the thing around, and doing away with the typically cheap feel of removable back plates. (gizmodo.com)