LG smart TV secret menus. Similar to Samsung, to access your LG Smart TV secret menu you’ll have to identify the codes for your model an duse either the ‘Menu’, ‘Home’, ‘Settings’ or ‘OK’ buttons. The most common codes are 0000, 7777, 0413, 8742, 8878, or 8741. After getting to LG’s secret menus you’ll have options for how LG TV Firmware Update via USB. If your LG TV is unable to check for updates, you can go ahead and download the latest firmware update for your TV and install it via a USB storage device. Prerequisites: The size of a webOS firmware may range from 400MB to 1GB depending on the software version and LG Smart TV model. Before you proceed, make sure SERVICE MENU [Service Mode] In order to reach service menu, first Press “ MENU ” button, then write “ 4725 ” by using remote controller. You can see the service menu main screen. You can check SW releases by using this menu. In addition, you can make changes on video, audio etc. by using video settings, audio settings titles. Go to Settings > General. Select Reset. Enter your TV password. Go through the steps to reach the confirmation prompt. Accept the prompt and select Restart. When the TV restarts, go through the initial setup process again and configure the TV to your liking. Afterward, check if the issue you reset the TV for was fixed. - Although select ‘Off’ (Do not Display), the action that press a Menu button for 5 seconds to enter ‘Installation Menu’ and entering service menu are available. (In-Start, Power-Only, Adjust, Installation Menu…) System Provider Mode • ‘System Provider Mode’ allows access to the menu system from the front panel or remote control How To Disable LG TV Menu/Settings Screen Using Hotel Mode. This will deactivate the menu/setting button on the remote control. No one will be able to access If you purchased your LG TV online, check the product listing. The model number, as well as the name, will be listed here. You can also find your LG TV’s model number in your TV’s settings: Press the Home button on your remote control. Select “Settings.”. Choose “All Settings.”. Press “General.”. Select “About This TV Universal 4-Digit Codes for LG TV. Four-digit codes work for universal remotes that can program four-digit codes. Below is a list of the standard four-digit codes for LG TVs: LG 4-Digit Codes. LG universal remotes that program four-digit codes will work with any of the following codes: 2065. 4086. 1. Make sure you have the TV's original remote. (TV Hard Reset) While some non-LG, third-party or universal remotes can be used to access your LG TV's service menu, (TV Service 1. [deleted] • 3 yr. ago. Hover your cursor over program tuning and press "1" 5 times. Outlaw-RS. • 3 yr. ago. 3 things, Confirming you can access service menu by pressing mute 3 times with the LG CX. Secondly hour usage is not displayed there if that's what your after, it's under: all settings>support>TV Information. MtHV20.