The back button is that special soft key from your Samsung Galaxy Note 8 or Note 9 that helps you properly leave apps. If you tap on the Home button to close an app, you are actually letting it run in the background. If you use the back button as many times as necessary until you return to the Home screen, you will be sure that the app was properly closed.
What do you do if, one day, you notice that the Note 9 Back Button stopped working? Before we answer you this question, let us ask you something – how can you tell that it stopped working? If it continues to answer your commands but it just doesn’t light up anymore, it may not be what you think.
The soft keys of the Samsung Galaxy Note 8 and Note 9 -, in general, of any other device – don’t break so easily. More often than not, they keep working just fine. And even if they don’t seem to display that light, it can be a matter of… settings. That’s right, someone might have accidentally disabled the option that says the keys must light up. It is also possible that letting your smartphone without battery and, inevitably, entering the energy saving mode, might have caused this issue. Here is how to check it…
Make the Touch Key light up again on Samsung Galaxy Note 8 and Note 9:
- Turn on the Note 8 or Note 9;
- Go to the Menu page;
- Tap on Settings;
- Select the Quick Settings menu;
- Select the Power Saving submenu;
- Select the Power Saving Mode option;
- Tap on the Restrict Performance entry listed in there;
- Identify the option labeled as “Turn off the touch key light”;
- Tap on it to uncheck its box.
From this moment on, you can consider your question – how to fix the Touch Key light not working on Samsung Galaxy Note 9 and Note 8 – already answered. It was a problem with the settings; you’ve deactivated the option that was blocking their light for resource saving purposes; and now, the touch keys will light up just like they always did.