Hi there. We use this code   "var docElm = document.documentElement; if (docElm.requestFullscreen) {     docElm.requestFullscreen(); } else if (docElm.mozRequestFullScreen) {     docElm.mozRequestFullScreen(); } else if (docElm.webkitRequestFullScreen) {     docElm.webkitRequestFullScreen(); } else if (docElm.msRequestFullscreen) {     docElm.msRequestFullscreen(); }"   for starting Browser Full Screen, try with diferent ways:   UniSession.JSCode (Data);