PLEASE READ THE INSTRUCTIONS BELOW AND FOLLOW. This remote will work with all the Formuler Boxes and Samsung and LG TVs. If you have LG TV you press the red "L" button and if you have Samsung TV you have to press the 'S' button. Please make sure you're pressing the STB key to operate the box. For example if you want to control the volume of the box, you press the STB button which is between 'source" and 'L" button and press the volume bar. Similarly, if you want to control the volume of the TV, you will need to press the S button for Samsung TV or the L button for LG TV and the volume button right after. Please note that you have to press and hold the STB button for 3 seconds in order for the remote to go into STB mode. Please see the attached image for your better understanding. Please see the attachments.