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Here you've got Samsung Galaxy M30s and let me show you all the secret codes for the following device
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So, at first you have to open your phone dialer and let's start with the first one, which
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is asterisk pound, zero, asterisk pound. And as you can see, now you are in test mode, so you can test all the features
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Let's start with display, smoothly click on red, and as you can see, it's working properly
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then green, also fine, blue, it's going properly as well. You can check the receiver here
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As we can hear, it's proper, then you can also check vibration, mega cam, grip sensor
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sensor, touch, speaker. Let me show you the speaker, test. And as you can see, it's working more than fine
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Then you can also check sub key, front camera, sensor hub, you can also check black display
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To switch off this one, you have to tap on power key, but it's also working properly
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and then you can also come along with the version. So this is it, this is how you can smoothly and easily test your phone by entering this
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secret code. And now it's time for another code, very also short one, it's asterisk pound, 06 pound
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And this one will provide you with both email numbers and also serial number assigned to
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your device. So this is how you can very quickly come along with truly unique numbers that describes your phone
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Click on OK to go back. And another code is asterisk pound, 1234 pound
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And as you can see here, you can come along with firmware version. And actually, this is all that you can read here
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Let me go back. Now we will open service mode, and the code is asterisk pound, 0011 pound
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And here we are in service mode. So just click on more icon, and here you can go back obviously, but you can check the key
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input, select, you can come along with help info, and also check the Wi-Fi
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So let's go back. Now we will open advanced service mode, and the code is asterisk pound, 2683662, here
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should be pound, 662 and pound. And here we are in advanced service mode
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Just click on the more icon as well, and here you can come along with everything
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So it's all the same. So let me go back, and it's time for another code, which is asterisk pound, 0228 pound
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And now you can come along with your battery status. So you can read current voltage, voltage, level, level block, and very useful information
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over here. So let's go back, and the last code is the advanced firmware version, and the code is
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asterisk pound, 2663 pound. And as you can see here, you can come along with truly useful information about your firmware
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and also you can refresh Wi-Fi version if you want to by tapping on the switcher
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And actually this is it. These are all secret codes that you can use in your Samsung Galaxy M30s
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Use them as often as you want to, gain some more info, or simply test your phone
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