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Hi everyone, here we've got Samsung Galaxy S21 and let me share with you some secret
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codes, some useful codes which you can use and apply on your device
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So firstly let's enter the dialer and go to your keypad because this is the place where
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we will enter all of those codes and let me begin with I think probably most known one
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So it is asterisk pound, zero, six, pound. And as you can see by this code we are provided with both email numbers and also a serial
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number attached to this device. Let's tap on OK and let me show you the shortest code actually from all of those codes which
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I will show you today and it is asterisk pound, zero, asterisk, pound
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And as you can see here we are in let's say testing mode and here we can check all the
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components of our device. So we can check the display, we can check the vibration, touch, if everything works
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perfectly fine. So let me show you for example the test for the screen
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Let me tap on red and if you can see the red color all across the screen without any missing
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spots then it means that the screen works perfectly fine. So let's tap on it if it passed
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Let's check the green. The green the same situation, blue. Blue also works fine
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And as you can see this is how you can check the screen
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You can check also the touch for example so let me do it
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And now we have to draw the lines in all of those rectangles and squares in order to check
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if all the areas of the screen of our device is working fine
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And if you can see the green color all across them then it means that all of those parts
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are working. What's more we can check the vibration and if you can feel the vibration after tapping
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on it then it means that everything works fine. So I really highly recommend to stay here and have fun with this section and check all
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of the components. So double tap in order to get back and let me show you another code which will open the
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battery status. It is asterisk pound, 0228 pound. And as I said we are in a battery status so here we can check the current value, the level
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level block current, CHG or average value and the voltage. So let me get back and let me enter the firmware version and I suppose this is the easiest
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code which is asterisk pound, 1234 pound. And as I said we are in the version so here we can check the APCP or the model
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Let's get back and let me show you another code which will be connected to the USB settings
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and it is asterisk pound, 0808 pound. And as I said we are in the USB settings, now we've got the MTP option applied
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Of course you can change it to another one, just tap on it and if you are ready tap on
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OK or on reboot. But let me leave it like this and let me show you the last code which will open the advanced
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firmware version. So it is asterisk pound, 2663 pound. And as I said here we've got some further details about the firmware version
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Here we can check also the WiFi version, DHD, the network or the CLM
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Here we've got also the Bluetooth version and for example kernel proximity
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So actually that's all, this is how to use secret codes in your Samsung Galaxy S21
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Thank you so much for watching, I really hope that you've enjoyed this video and that it
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was helpful for you and if it was please hit the subscribe button and leave the thumbs up
