If the video is not periodically visible, you just need to clear the application cache: 1) Open the phone settings. (on some phones, with a long press on the application icon, a drop-down menu opens, in which there is an \'About the application\' item, if you press it, go directly to step 4); 2) Select Applications; 3) Click Show all applications - select the application; 4) Select the list item \'Storage\' or \'Application data\'; 5) Click Clear Cache.