Secret Menu Unlocks Bluetooth in Samsung Smart TV 4K UHD Series 6 640D

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Let’s say you purchased a brand new Samsung Smart TV 4K UHD Series 6, 640D at your local COSTCO and there is no Bluetooth capability in sight…  Such an expensive TV, but NO Bluetooth???  How are you going to pair up your new Samsung, Sony, JVC, or Beats Bluetooth Headphones?  Well, don’t despair, you are in luck, there is a SECRET MENU that unlocks the Bluetooth capability of your Samsung Smart TV.

Here are the instructions:

  • Step 1: While your TV set is turned off, press the following on your remote control quickly and in this sequence – MUTE button, 1, 8, 2, and then the POWER button.
  • Step 2: When the SECRET MENU appears, use your ARROWS, SELECT, and RETURN buttons to navigate.
  • Step 3: While in the SECRET MENU Select OPTIONS
  • STEP 4: Select ENGINEERING OPTION
  • Step 5: Select BT AUDIO ON OFF and make sure it says ON.
  • Step 6: Use the RETURN button on your remote to go back a level on the SECRET MENU and select MRT OPTION.
  • Step 7: Select BT SUPPORT and make sure it says ON

Now TURN OFF of your TV and turn it ON again, give it a minute, select MENU on your remote control, then SOUND, then SPEAKER SETTINGS, and now you will see the BLUETOOTH Option!!!

31 COMMENTS

    • We tried “Step 1” listed below the video and it worked. Step 1: While your TV set is turned off, press the following on your remote control quickly and in this sequence – MUTE button, 1, 8, 2, and then the POWER button.

        • Hi Teresa, this is certainly a very popular post. Not all Samsung models are supported by this hack. Please click on the comments of the YouTube video for some trouble shooting help.

  1. How do you know about these combinations ?
    As I have remote with Touch Pad and Voice control which even does not allow to press both of above Options.
    That means each remote and tv model has different combination to show Secret Menu.
    However when I press pairing remote with bluetooth which is working fine, then how come my headphone with blue tooth doesn’t work?

  2. I’ve done a walk through and done everything that was listed in order
    And when I got down to where it says
    Turn off the power then back on
    Select sound and then sound settings
    And wait about a minute and turned
    The tv back on I didn’t see A BLUETOOTH
    OPTION AT THE END BUT ALL MY SELECTIONS ARE STILL ON

    • We are unfamiliar with that Samsung TV model. The instructions are not for all Samsung TV models, just the one in the video.

    • Thank you for visiting ROKVU. Please note that this hack is not supported by all Samsung TVs. Please refer to the comments section of the actual Youtube video for additional help.

  3. Hi, My TV is Samsung UA55F6400. I went into the Secret menu and set both Engineer Option > BT AUDIO ON OFF = ON and MRT Option > BT Support = ON, but still no bluetooth speaker setting available in the TV Menu. Any other setting do I need to adjust? Thanks.

    • Hi HJ, sorry to hear about your frustration. Please note that this hack is not supported by all Samsung TVs please look at the comments of the YouTube video for additional help.

  4. I think i screwed up. The secret menu didn’t appear inmediately so i pressed the power button just before it appeared. Now the combination to access doesn’t work anymore. What can i do? I’ll appreciate any help. Thank you!

    • Solved the access to the menu, but eventhough i configured bt audio on and bt support on, it still doesn’t show. I’ll wait for your answer cause i’m not the only one with this result. Thanks!

  5. Made the changes in the secret menu. Bluetooth address did show up under contact Samsung but it is :00:00:00:00:00:00. Still no Bluetooth under speaker settings. Any ideas?

    • Sorry, all info available is in the video. You may also want to check the comment section of the actual YouTube video for additional information.

  6. HI, In many cases the Bluetooth Module in not installed. The secret menu shows no MAC Address for that. I did the configuration and the Audio menues are ON, and shows Bluetooth options, i can search for bluetooth speakers, but nothing happend…. just searching. If the bluetooth module in not instaled, you have no hardware to do the job. I have a UN43mu6100 series and i lived in argentina. I´ll try to buy a bluetooth module to install.
    Thanks for your help! I posted this to help someone

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