How to Test Each Sensor on Your Phone Samsung device

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Galaxy S10 launch event

Test Each Sensor on Your Phone Samsung device !!

Recently the Samsung launched their flagships the Samsung Galaxy S9 and S9+. No Doubt the Phones have and best and high end features , and some noticeable things like the Ultra Slow motion videos at insane 960fps(How does it works) and AR Emojis ( How to use AR Emojis). The Smartphone include lots of sensors ,So before buying the smartphone its important to check whether all its components are working fine or not.

Interestingly, Samsung has a secret feature by which you can test out most of the device’s components. And the best part, this diagnostic mode can be accessed directly through your dailer app, making it extremely simple to check if all your Galaxy’s sensors are working the way they have to.

SO ,Here is How to Test Each Sensor on Your Phone Samsung device

Accessing the Secret Diagnostic Menu

So to start with open your Samsung’s phone (Dailer )app. From there, enter *#0*# using the dial pad and it will immediately take you to secret diagnostic mode. This is automatic, there’s no need to tap on green call button

NOTE: If you enter the code and nothing happens, then this feature is disabled on your device.

Now, select the “Sensor” button to access the diagnostic page. This will produce a test page for a number of sensors — Namely
Accelerometer.
Proximity sensor.
Barometer.
Light sensor.
Gyroscope.
Magnetic sensor.
HRM (Heart Rate Monitor).
Fingerprint scanner.

Now Let’s go over all of them in more detail.

Accelerometer

The accelerometer sensor identifies the orientation of your phone and evaulates its linear acceleration of movement. To test if it’s working fine, tap on “Image Test” to test for landscape to portrait transitions, or on “Graph” to check how good the sensor detects movement by shaking your device to and fro or up and down.

Proximity Sensor

The proximity sensor is the sensor which turns your phone’s screen to sleep during calling when you take your phone closer to your face or ear (to prevent undesired touches). Testing this feature is simple -to test this sensor just cover the top of your phone with your hand. If the sensor is working fine, then screen will turn to green whenever you cover it and will change back to white when you remove your hand.

Barometer

Barometer is a sensor which keeps track of the altitude, which indirectly helps for better GPS readings. Testing for this is quite easy , just select “Barometer Selftest” and the test will automatically start and will let you know if it is working fine or not.

Light Sensor

The light sensor detects the lighting conditions in which it is. To test for its working, just select “Light Sensor“. And then expose your phone to light of different brightness, and it should consists of three level starting from “Level 1” for low lighting, then to the medium lighting and finally “Level 3” for the brightest lighting.

Gyroscope

The gyroscope is a sensor which measures the rotations and works simultaneously with the accelerometer to represent a better picture of general movement.
The gyroscope test can be done in two ways —

Manual test– To perform the manual test tap on either “Display” or “Graph,” and then rotate your phone around while viewing the corresponding results via numbers or linear graph form.

The automatic test — you can perform by tapping on “Gyro Selftest,” which will yield a result of either pass or fail for both the x and y axis.

Magnetic Sensor

For testing the functionality of magnetic sensor there are two ways.
Select “Selftest” to run an automatic test to check if your device passes or fails.
To carry out a manual test, select “Power Noise Test,” and then run a magnet around your phone.

Heart Rate Monitor (HRM)

Heart rate monitor reads your Heart rate, so it should always be working and accurate. The HRM test contains a series of tests for your smartphone’s heart rate monitor, which can be performed in two ways.
To test the sensor manually , select “Start” button within the “HRM” tab to reach the “HRM Test” page. From there, just place your finger on the sensor to see if it working fine or not that is it reads your heart rate.

To run the diagnostic test automatically, select “HRM EOL,” then keep your phone still on a flat surface. This is the important step , as any movements while the test is going on will result in failure of various component.

Fingerprint Sensor

To test the fingerprint sensor of your phone , select “Normal Scan” to get started. The test is automatic and it checks functionality of each component. In case you want to know the sensor’s firmware version, simply click on “Sensor Info” to know about it.

Exiting Out of Test Mode

Once you finish testing all the components , you can easily exit out of HwModuleTest Mode by tapping on the back button twice which will take you to the dailer app. From here just go to home screen normally.So that’s all for How to Test Each Sensor on Your Phone Samsung device (source) .

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