0. We settled the troubls with 3G mode or a very slow network. 1. As for the noticed problem with some devices to use gestures, we decided to devide the screen to input a command. So if you touch the left side, it will go to the previous page. And it will show you the next page if you touch the right side of the screen. 2. Your PC will have a pop-up window to let you know that your device is downloading something from it.