Dear friends I tall iball slide tablet this tablet touch screen not smouth and easy for use. This phone touch quality is very bad. When use I ball slide phone touch fingur tuch very stickly. Slide tablet battery performance is low. When I am use internet this tablet battery only 3 hours life so this tablet quality is not good. My friends I ball phone not suggest me tablet camera is avrage camera pixal quality is not very good. Tablet not run fust when I am download 3 or 4 game. Slide tab speed down to add 16 gb card.