Firstly, spare yourself a comment if you already know about this, I couldn't find much information with a simple Google search so I'm sharing my steps here.
My soundbar has a habit of randomly disconnecting from the WiFi after a couple of days, which while relying on Tidal connect for my music, is a royal pain. So I have been searching round for a method of resetting it that doesn't involve getting my lazy backside up to physically press the buttons on the bar itself.
After reading around through web searches that led to random Indian sites that provide the steps over and over from the manual. I decided to click around on the remote instead, experimenting with different key combinations and cycling through the menus.
On the standard remote that includes a "Cog" button for the settings menu, I ended up pressing once to open the menu itself, and then pressed and held before a series of numbers scrolled across the display on the soundbar. Initially I didn't think this did anything, but viola, all of a sudden it restarts and resets itself.
Note that this method does NOT display the "INT" letters on the screen, so it might not initially seem like it's done the trick, but after going through the setup for WiFi again on the Smartthings app, everything is now running again until it decides to conk again in a few days.
Just sharing this method with my fellow lazy couch-goers that can't be bothered to get up and press a load of buttons like a lemon while this manufacturerd e-waste makes it's mind up on actually working 🤣 enjoy.
