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In front of me is Samsung Galaxy A12s and let me show you secret codes that you can
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use on this device. So first of all you need to reach your keypad because this is the place where we can enter
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secret codes and let's start with the first one which will show us our USB settings
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And code for it is asterisk pound 0808 and pound at the end
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And as you can see here you can manage USB settings so if you'd like to change it just
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mark particular options and then it will be applied. As you can see here you've got the current setup
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You can change it as only you want to change it. And that would be all
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This is it. This is for this USB settings code. Another secret code that you can enter and then we provide with info is asterisk pound
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0228, pound at the end and this one will show you the battery status of yours
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So you can check the current value, voltage level, level block, average value and so on
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So this is it. Let me go back. And then if you'd like to open advanced service mode and this is the longest code you need
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to enter asterisk pound 2683662 and pound at the end. And as you can see here you've got the service mode
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If you'll tap on more icon you'll be able to obviously go back and end the operation
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So enter a key input, select help and check the Wi-Fi. So this is it
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Let me go back. And another code that you can use, it's also my favorite one, it is asterisk pound 0, asterisk pound
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This is the test mode and just give it a couple of seconds it should be displayed
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Let me check it one more time. Okay, so let's switch to another code and we will try to enter it later on
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So let's go to firmware version. Now it's asterisk pound 1234 and pound at the end
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And as you can see here you've got the firmware version of yours, of your Samsung Galaxy A12s
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Let me go back. And the last code that I would like to show you here is the one that will provide you
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with email and serial number and it is asterisk pound 06 pound
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And here you've got all necessary info like both email numbers and also serial number
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And let me try test mode one more time, asterisk pound 0, asterisk pound
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And I don't know why it is not working right now. We've got some issue here
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However, it should work and you will be able to check your display, your vibration settings
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and so on. So you'll be able to smoothly test your device and its features
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And this is it. This is how you can enable secret codes in your Samsung
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