[Wisdom3G]

Took me a while to get it but to get full screen mode, on the home screen swipe your finger low, below the clock and all either left or right until you get 3 little boxes, which are ooptions. Tap the one in the middle to "ON". Then swipe those off of the screen and press the middle of your screen at the very top to activate the slider bar, I suppose, but that is how I got it to work.