Child Monitoring and Security Information Archive 2019 - 12.05.03
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Samsung Monitor Phone Number
Before we begin, it's important to note that this feature may not be available on your device. Certain carriers, most notably Verizon and Sprint, have been known to block the code-based diagnostic mode on their Samsung smartphones and tablets, though newer phones from Sprint like the Galaxy S6 seem to have this functionality restored.
This tests your device's proximity sensor, which is responsible for turning your screen off whenever your phone is against your face in a phone call to prevent accidental touches. To test for this feature, simply cover the top of your phone with your hand. The screen should now turn green if the proximity sensor works, so uncover the screen to turn the screen white and proceed to the next test.
To get the ball rolling, simply open your Samsung's phone app. From there, enter *#0*# using the dial pad, and the phone will immediately go into its secret diagnostic mode. Note that the process is automatic, so there's no need to tap on the green call button to enter the command. So if you enter the code and nothing happens, the feature is disabled on your device.
Accelerometers are vital sensors that are used to detect the orientation of the phone, primarily measuring linear acceleration of movement. To check for its functionality, tap on either "Image Test" to check for landscape-to-portrait transitions or "Graph" to measure how well the sensor detects movement by shaking your device up and down.
Tap on the "Speaker" button if you want to test out your handset's audio output, which in turn plays a sample song that you can listen to. Once you've verified that your speakers are good, simply tap on the "Speaker" button again to end the test.
This sensor is primarily responsible for tracking altitude, and it aids in giving more accurate GPS readings. The test for this function is straightforward — simply tap on "Barometer Selftest" to initiate an automated test that'll instantly let you know if it works or not.
Below are the following tests you can perform on your Samsung handset once you've input the code and entered HwModuleTest mode. Please note that some may be missing screenshots due to security reasons or the nature of the tests.
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Chances are your Samsung handset features sensors that detect your grip. To test for this functionality, tap on the "Gripsensor" button, then follow the prompts and release your grip when instructed. You should get a blue screen labeled "Working" if the grip sensor is functioning properly. Once you're done with the test, tap on the back button twice to go back to the main screen.
"Sub Key" tests out your hardware buttons, along with the virtual home button if you have a Note 8 or S8. Pressing each button changes the screen color to help verify their functionality. Tap on the exit button in the middle of the screen to exit back to the main diagnostic page.
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If you need to test out your handset's ability to properly generate barcodes, tap on "Barcode Emulator Test." Doing so will take you to a page containing different barcodes. From there simply tap on each barcode, and scan them with a barcode scanner to ensure they're being properly read. Once you're done testing, tap on the back button twice to go back to the main diagnostic page.