Using the Remote Control. The easiest way to access the service menu is by using your Samsung TV remote control. Here’s how: Turn on your TV and make sure it’s on the input/source you want to adjust. Press and hold the power button on the remote until the TV turns off and back on. This should take about 5 seconds. Support is also available on your mobile device through the Samsung Members App. Samsung TVs, the Odyssey Ark gaming screen, and projectors offer several visual and sound settings to personalize your viewing experience. These can be accessed in the settings menu. Installation / Connection. Network. Picture. Power. Usage. OT_Others. Accessory Charge and use the SolarCell Remote of your Samsung QLED TV. Charge and use the SolarCell Remote of your Samsung QLED TV. Usage Reset and self-diagnosis features for your Samsung TV. Read full explanation from AllianceX in the comment below. Here is a simple <2min video I threw together, that explains how to use an App called Alliance Shield X to regain access to the hidden network settings and band selection menus after they were removed in the June 2022 Security Update. Install Alliance Shield X from Google Play then Once you're in Home Screen Settings, swipe down to find the "Hidden Apps" option and tap it. (Image credit: Tom's Guide) 3. Now select the apps you want to hide from your home screen and app To access this menu, you must perform a key combination. Here are the steps to follow and the exact key combination: Access the TV settings and go to the Image section. Hover over the Image Mode Selection menu. Now press the following combination with the physical buttons on the remote: 1113111. You will automatically access a hidden menu that 6. *#0*# – Hardware test mode. I am not sure whether *#0*# would work on a non-Samsung Android device or not as it didn’t work at all on LG and OnePlus. By dialing this Android secret code, you can bring forth the hardware test mode on the screen. XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Samsung has disabled access to Hidden Phone settings (For band selection,disabling 5G) which could be accessed by apps like hMShJ.