If you want to use the compass function of your Samsung Galaxy Note 4 and that this indicates the correct direction, then you should check whether the calibration is correct. Calibration is necessary when the compass of the Samsung Galaxy Note 4 indicates a demonstrably wrong direction. In this guide, we would like to show you clearly how to calibrate the compass sensor on the Samsung Galaxy Note 4.
For this open the phone app on your smartphone and switch within this to "Keypad". Now type the following code to open the secret service menu on your Samsung Galaxy Note 4, which provides tests for hardware components:
The code is: *#0*#
When you entered the code on the keypad, you can now see different tiles in front of a white background. One of these tiles is called "sensor". Tap on this tile to enter the sub-menu of the service menu. Scroll down a bit until you can see "Magnetic Sensor". The circle with the slash represents the compass. The bar should always points north. The following numbers can be seen in the black circle:
0 - Compass needs to be calibrated
3 - Compass is calibrated
If you can see a zero, you have to recalibrate the compass on the Samsung Galaxy Note 4. For Calibration, rotate the smartphone once to all of its axes. Subsequently, the compass should jump to "3" and is now calibrated. If not, repeat the process. Alternatively, you can also swing the Samsung Galaxy Note 4 in the form of an 8.
You know now how to calibrate the Samsung Galaxy Note 4 compass function, so that this again indicates the correct direction.