1. C715 Series | QLED 4K ANDROID TV
        : 50C715

        C715 Series

        QLED 4K ANDROID TV

        FAQ

        Filters

        Can I play the video from the USB drive on the TV?

        # Setup & Configuration

        What can I do if the TV remote does not work properly?

        # Accessories

        Where can I purchase the accessories?

        # Accessories

        What can I do if there is no video after turning on the TV?

        # Video Issues

        What can I do if the TV screen is black but it has audio and the backlight is on?

        # Video Issues

        What can I do if the TV has no power at all?

        # Power Issues

        What can I do if the TV cannot start up successfully from the standby status?

        # Power Issues

        What can I do if the TV keeps restart/power on and off always?

        # Power Issues

        How to reset the TV to the factory default settings?

        # Operating System

        What can I do if the TV screen is black and no audio but the backlight of the TV is on?

        # Video Issues

        Can I use the streaming box with the LETOU - 乐投 TV together?

        # Setup & Configuration

        Can I customize the home screen of the TV?

        # Setup & Configuration

        What can I do if the TV has cross lines issue?

        # Panel/Display

        How can I change the status of the LED light on the TV?

        # Setup & Configuration

        How can I set up the Date & Time on the LETOU - 乐投 TV?

        # Setup & Configuration

        How can I set up Parental Control on the LETOU - 乐投 TV?

        # Setup & Configuration

        How can I get the Program Preview of the channels?

        # Setup & Configuration

        Can I clear my current channel list?

        # Setup & Configuration

        What can I do if the TV has a light leakage?

        # Panel/Display

        What can I do if the initial setup of the TV is failed?

        # Setup & Configuration

        What can I do if the TV has a horizontal line?

        # Video Issues# Panel/Display

        How can I turn on the sleep timer of the LETOU - 乐投 TV screen?

        # Setup & Configuration

        Can I connect the Game console, such as the XBOX and the PlayStation, to the LETOU - 乐投 TV?

        # Setup & Configuration

        How to scan the channel for my TV?

        # Setup & Configuration

        How can I configure the Audio settings on the LETOU - 乐投 TV?

        # Setup & Configuration

        How can I change the language of the LETOU - 乐投 TV?

        # Setup & Configuration

        How can I set up the picture preference on the LETOU - 乐投 TV?

        # Setup & Configuration

        How can I set up the Screensaver on the LETOU - 乐投 TV?

        # Setup & Configuration

        How to create Google account in LETOU - 乐投 Android TV?

        # Setup & Configuration

        How can I set up the captions for the video?

        # Setup & Configuration

        How can I check the network status and the network settings on the LETOU - 乐投 TV?

        # Setup & Configuration

        How can I connect the computer/PC to the LETOU - 乐投 TV?

        # Setup & Configuration

        Can I connect the DVD Player/BluRay Player/DVR/VCR to the LETOU - 乐投 TV?

        # Setup & Configuration

        How can I use the AV receivers with the LETOU - 乐投 TV together?

        # Setup & Configuration

        How can I connect the sound bar to the TV?

        # Setup & Configuration

        How can I adjust the clicking sound of the menu on the LETOU - 乐投 TV?

        # Setup & Configuration

        How can I change the settings of the virtual keyboard on the LETOU - 乐投 TV?

        # Setup & Configuration

        Can I install the APP that did not downloaded from Google Play?

        # Setup & Configuration

        What can I do if the headset/headphone does not work properly with the LETOU - 乐投 TV?

        # Setup & Configuration

        How can I connect the Cable/Satellite box to the LETOU - 乐投 TV?

        # Setup & Configuration

        Can I connect PS4 or Switch to the TV?

        # Network Issues

        How to update the application on the TV?

        # APPs

        What can I do if the wifi network is very slow on the TV?

        # Network Issues

        What can I do if there is no wifi network detected on the TV?

        # Network Issues

        What can I do if the color of the video is abnormal?

        # Video Issues

        What can I do if the 4K video has no audio when I play the video from the USB drive?

        # Others

        How to check the software version of your TV?

        # Operating System

        Does the TV have a Digital Audio input port?

        # Network Issues

        What can I do if the video and audio are not synchronized on the TV?

        # Audio Issues

        What is the difference between the smart TV and the Android TV?

        # Others

        What can I do if the TV has a crosstalk issue?

        # Audio Issues

        What can I do if the TV screen is black and the backlight is not on but there is audio?

        # Video Issues

        What can I do if the TV has no video from all sources?

        # Panel/Display

        Does LETOU - 乐投 TV support the Auto Volume Control function?

        # Audio Issues

        Does LETOU - 乐投 TV support the Dolby Vision?

        # Audio Issues

        How many bandwidths does TV require that Netflix could play videos fluently?

        # APPs

        What can I do if the TV cannot load YouTube successfully?

        # APPs

        What can I do if the TV screen is too bright/dark?

        # Panel/Display

        How can I go to the Accessibility menu on the TV?

        # Setup & Configuration

        What can I do if the audio is abnormal when using the SPDIF Audio OUT port?

        # Audio Issues

        What can I do if the TV cannot play the AV PAL video?

        # Others

        What is the purpose of the USB port on the TV?

        # Network Issues

        What can I do if the video is abnormal when using AV/PC/CMPT Audio IN port?

        # Audio Issues

        What can I do if the audio is abnormal when using the Headphone OUT port?

        # Audio Issues

        What can I do if the TV has the buzzing/clicking/knocking/popping sound when playing video?

        # Audio Issues

        What can I do if the TV says 'Server Cannot Be Reached/No Internet Connection?

        # Network Issues

        What can I do if the TV stays on the startup screen?

        # Video Issues

        What can I do if the audio is intermittent when playing the video?

        # Audio Issues

        What can I do if the audio is abnormal when using the Multiple Inputs/Outputs port?

        # Audio Issues

        What can I do if the video keeps flickering?

        # Video Issues

        What can I do if the video is distorted on the TV?

        # Audio Issues

        What can I do if the color of the video is abnormal when playing the videos from the source of AV/TV/HDMI/USB?

        # Video Issues

        What can I do if the video is fuzzy?

        # Video Issues

        How can I cast/mirror the screen of the laptop to the TV?

        # Network Issues

        What can I do if the TV cannot turn on the wifi button?

        # Network Issues

        What can I do if the wifi network is unstable on the TV?

        # Network Issues

        What can I do if the TV has a crack screen?

        # Panel/Display

        What can I do if the video has a horizontal/vertical/cross lines/bars?

        # Panel/Display

        What can I do if the TV has an intermittent black screen issue?

        # Panel/Display

        What can I do if the TV cannot connect to a wifi network successfully?

        # Network Issues

        What can I do if the TV has a snowy picture?

        # Video Issues

        What can I do if the TV cannot detect my wifi network?

        # Network Issues

        What can I do if the TV has a noise video issue?

        # Video Issues

        Does the LETOU - 乐投 TV support the HDMI 2.1?

        # Network Issues

        What can I do if the audio is abnormal when using ANT/CABLE RF/Coax IN port?

        # Audio Issues

        How can I connect the CCTV/DVR/NVR system to the TV?

        # Network Issues

        What can I do if the TV has no response after powering on?

        # Operating System

        What is the purpose of the HDMI ports on the TV?

        # Network Issues

        What can I do if there is no sound from the TV?

        # Audio Issues

        What can I do if the TV's application works slowly?

        # Operating System

        What can I do if the TV has a dead pixel or dark pixel issue?

        # Panel/Display

        What format can I play the audio on the TV through the USB drive?

        # Audio Issues

        What video decoding does the TV support?

        # Audio Issues# Video Issues

        Can I download and install Skype on the TV?

        # APPs

        What can I do if the TV only has sound from one side?

        # Audio Issues

        How can I update the software of the TV?

        # Operating System

        What can I do if the TV cannot connect to the 5GHz band wifi network successfully?

        # Network Issues

        What can I do if the TV has a dirty screen effect issue?

        # Video Issues

        What can I do if the volume is very low from the soundbar?

        # Audio Issues

        What can I do if the video is abnormal when using the HDMI/ARC OUT port?

        # Audio Issues

        Can I stream channel from my mobile devices to the LETOU - 乐投 TV?

        # APPs

        What can I do if the audio/video cannot play properly on the TV via the USB drive?

        # Audio Issues

        Does the TV have an Optical input port?

        # Network Issues

        What can I do if the TV cannot connect to the 2.4GHz band wifi network?

        # Network Issues

        What can I do if the TV cannot connect to the mobile hotspot successfully?

        # Network Issues

        What can I do if the video is abnormal when using the HDMI IN port?

        # Audio Issues

        What can I do if the TV screen is mirroring when I cast screen from my mobile phone or computer?

        # Video Issues

        What can I do if the Date and Time changed automatically on the TV?

        # Others

        What can I do if the panel screen is vibrating?

        # Others

        What can I do if I have an issue to login YouTube account on the TV?

        # APPs

        What can I do if there is a bright line on the top of the TV?

        # Video Issues

        Video tutorials

        Find all of our tutorials on our Youtube Channel.

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          Need more help?

          We're here for you, whether you are experiencing any issues or need product assistance.

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