It is used to lock or disable the phone’s display whenever a magnetic flip cover touches the screen. Hall Sensor detects the magnetic field in close proximity. You’ll get a blue screen indicating that the sensor is working fine. Follow the on-screen instructions and release your grip when asked to.
To test the function, select the Gripsensor option in HwTestModule (in the main menu). Some Samsung phones feature a grip sensor to detect your grip. Furthermore, you can head to sensor information to know the firmware version, UID, and other details. Is your fingerprint scanner giving issues? To test the same, select Fingerprint, and select “Normal Scan.” It will automatically check if all components are functional. It is usually given at the back, besides camera and flash. To test the sensor, select HRM, rest your finger on the sensor, and press start. Heart Rate MonitorĪ lot of Samsung phones, specifically from the flagship category, come equipped with an optical-based heart rate monitor. You can also select the “Power Noise Test” and run a magnet around your phone to check it manually. To check the Magnetometer, simply select the “Selftest” post, which your phone will automatically perform the test.
Magnetic Sensor, also known as Magnetometer, measures local as well as the Earth’s magnetic field. There’s also an option for “Gyro Selftest” to check the functionality automatically. One can manually test it by either selecting ‘graph’ or ‘display’ options in the Gyroscope menu. It comes into play whenever you play a racing game on your phone and make small tilts to steer. Gyroscopeīy tracking rotation or twist motion, Gyroscope adds precision to the information supplied by the accelerometer sensor. To test the barometer sensor, tap “Barometer Selftest,” and within seconds you’ll know if it’s working or not. BarometerĪ barometer is a passive sensor that measures pressure and relative altitude, which helps in correcting altitude measurements by the GPS. Besides, it’ll also show you the light intensity in lux. The value will change from Level 1 in the dark to Level 3 in extremely bright areas. To test the sensor, select it, and expose your phone’s front to different levels of lighting, say dark to bright. The light sensor detects the ambient light around your phone, controlling the auto-brightness feature. If it doesn’t, there’s some issue with the proximity sensor. The screen will turn green, indicating that the sensor is working fine. To test the feature, place your palm or any object over the proximity sensor. This is done to prevent accidental touches and battery consumption by the screen. It is used to automatically turn off the display when the user is holding the phone near their face during a call. The proximity sensor is the tiny black dot near your phone’s earpiece. To check if it’s working correctly, select the test and tap either of “Image Test” or “Graph” options to measure landscape to portrait transition and motion detection, respectively. It’s used in a lot of functions, including motion input in games, pedometer, and auto-rotation. AccelerometerĪccelerometer helps in detecting your phone’s orientation and motion across all three axes. Now, once you’re into the HwModuleTest screen, you’ll see options for testing a plethora of options, including a dedicated section for “Sensors.” You can go for either of the tests to check the specified hardware or feature.
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