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Here I have Samsung Galaxy Tab S3 and let me show you how to use secret codes on the
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following device. So at the very beginning let me start by holding a power key just to switch on the device
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then unlock the screen. Let's go to the home screen, find and select the phone icon and then let's use the following
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secret codes. At first let me check the version of the device, so let's use star hash, 1, 2, 3, 4, hash
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As you can see the version of the device just pops up in front of you
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In order to close the following window let's use a back arrow
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Then let's check the software and the hardware version, so the main version of the device
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Let's use star hash, 1, 2, 5, 8, 0, star, 3, 6, 9, hash
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As you can see the main version of the device just pops up, so you can read some more specified
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information about your software and the hardware. Let's go back and this time let me open the test mode of the Samsung Galaxy Tab S3, so
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let's use star hash, 7, 3, 5, 3, hash. As you can see testing menu just pops up, here you can test some features from the device
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for example the melody, vibration, the speaker, the camera and also some other stuff such
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as dirt mode, accelerometer mode and other stuff. Let's go back and now let me show you how to open another testing menu, let's use star
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hash, 0, star, hash. As you can see the following test menu just pops up, here for example you can test the
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colors of the screen, the red, the green, the blue, you may check the vibration, the
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diming, let's use a back arrow, also the front camera, the black, the whole IC, the S-Pen
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the speaker, touch, sensor and other stuff, for example the speaker as I said
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You've got the upper speaker, left, right and the lower left, right
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Excellent, let's go back and let me close the testing menu. This time let me show you how to open the service mode, let's use star hash, 0, 0, 1
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1, hash and the service mode just pops up. Here you can read some specific information about your device or you can choose more key
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right here, to end, go back to key input, select help and wifi
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Let's go back right here and this time let me show you how to open the battery status
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so let's use star hash, 0, 0, 1, 1, sorry, star hash, 0, 0, 0, 2, 2, 8 and hash
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And the battery status just pops up, you can read such things as battery level, the current
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charger, the average value and some other stuff, let's go back. You may also choose and open USB settings mode, let's use star hash, 0, 8, 0, 8 and hash
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As you can see the USB settings menu just pops up, you can change the mode of your USB
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if you wish. Let me go back and at the end let me show you how to check email number by using a secret
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code, so let's just simply use star hash, 0, 6, hash and the email number and the serial
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number just pops up in front of you, you may also use the barcodes to these numbers
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So everything went well, thank you for watching, please subscribe our channel and leave thumbs
