Quick solution:

To activate Dark Mode under Windows 10, right-click on the desktop and select Customizations. There, navigate to "Colours" and then activate the "Dark" menu item for "Standard app mode".

With Android 10, the Dual Audio function has been removed by name in the system settings.  This is because the function is still available.

If you have an Amazfit Smartwatch with an integrated compass function, it will sometimes need to be recalibrated.

This is because the magnetic sensor, which can detect the earth's magnetic field, is disturbed by external influences. This could be a magnetic closure on a purse or handbag, for example.

A frequently used solution for problems and errors on an Android smartphone is to delete the "cache partition". For users who are not so familiar with programming, this is of course a question that arises:

On current Smarthones of the Samsung Galaxy series, you may see a blue bar flashing at the bottom of the display during gameplay. First of all, one will assume that this is a notification or the side light.

There is a feature on the Samsung Galaxy S20 called "Smart Stay" that lights up the screen as long as you look at it with your eyes.

The Samsung Galaxy S20 offers a high-resolution display, which automatically deactivates after a while when the phone is no longer in use, i.e. when the keys or elements on the display are touched.

The Samsung Galaxy A50 offers a high resolution screen which turns off after a while when the phone is no longer in use. This is the so-called screen timeout, which ensures that the battery life of the smartphone is maximized.

If you want to take pictures with the Samsung Galaxy S20 that focus in the macro area, you'll be used to focusing by tapping the appropriate spot in the camera's live viewfinder.

In the Samsung Galaxy S20, the sim card is integrated into a sim card slot, which is then inserted into the housing of the smartphone. Due to the IP certification 68, the Sim card slot is equipped with a rubber seal, which ensures waterproofness.