All LG smart TVs use the company’s webOS platform. LG’s settings menus change from year to year. On new LG sets, start by clicking the Settings button on the remote control, scroll down > All Access the settings menu (indicated by a gear icon) Click the icon with three vertical dots. Then click “General,” followed by “Devices” and then “TV.”. The “TV Information” menu will provide the serial number. If there is no “General” option, click “Support TV” followed by “Information.”. For older models, you may Mixed LG TV codes from nine brands of universal remote controls. Highlight / Show only codes for: Comcast DirecTV Dish GE OneForAll Philips RCA Spectrum U-verse x. Sort codes Show color. 3 digit codes: 520 535 645 766 505 553 718 627 501 773 506 615 653 651 503 654 593 545 999 693 522 512 809 619 564 720 132 023 523 002 047 056 080 134 004 050 On the one hand, to access the installer menu, simply press and hold the “Menu” or “Settings” button on the remote control for between 5 and 7 seconds. Once the menu appears on the screen, you can release the button. Image from Wikihow. A screen will appear requesting a code to dial with the remote control and press “Enter”. LG - 65” Class UQ70 Series LED 4K UHD Smart webOS TV. Direct Lit. Model: 65UQ7050ZUD. SKU: 6553101. (1,268) $399.99. Save $200. Was $599.99. Add to Cart. ltE2SQc.