How do I put on/take off the case? GVIDO Customer Support 03 December 2017 22:12 Updated Please review instruction manual that comes with the device. Related articles Can the case adjust the angle of the screen? Can I use GVIDO without a desktop? Can I write on the device without the GVDIO stylus? Does the stylus pen require a battery? What do I do if the score doesn't appear properly or the screen freezes.