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Here we've got Xiaomi Redmi Note 9S and let me show you all the secret codes that you
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can use on this device. So at first you have to open it from the other because this is the place that we would be
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entering the codes and now you start with the first one which is asterisk pound, 06 pound
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And as you can see this one will provide you with both email numbers assigned to your device
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and also with serial number. So anytime you need those unique numbers just enter this short code and then you will be
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provided with the details. Tap on OK to go back and another code is asterisk pound, asterisk pound, 426 pound asterisk
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pound asterisk. And now we are in diagnostic mode. Here you can check events and also status
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So as you can see here you've got the details and if you would like to open advanced view
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just tap on the more icon and mark advanced view and now you will be able to come with
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some further details. So that would be all for this now. Let me go to the third code which is asterisk pound, asterisk pound, 225 pound asterisk
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pound asterisk. And as you can see here you've got the calendar info so all the events, celebrations, important
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dates that are stored in your device's internal storage in Google Calendar will be included here
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From now on you will not forget about any upcoming event. So let me go back and actually the last code, the longest one, but also the super useful
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one is asterisk pound, asterisk pound, 64663 pound asterisk, pound asterisk
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And as you can see here you've got the test mode. You can check all the features here
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As you can see you've got plenty of options and for example you can test software version
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sim test, you can also perform SD card test, you can check keys, motor, LED, touch panel
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color, receiver, vibrator and so on. So let me start for example with keys, click on key and all you have to do is tap on the
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volume up button, volume down button and also the power tab. Tap on OK
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Now you can check the vibration so it's working fine. Let me check no vibration, so definitely it is not working
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And interval vibration. So let's tap and here we've got another one
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So it is working properly. We can go back. Now let me check for example color
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So red is working properly, then green is also good. We can see that blue is perfect and as you can see screen test is completed
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Tap on OK to save the changes. We can also check the receiver so it's 8-1 and it passed the test
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We can check the music so just tap on play music. And we can all hear clearly that it's working. Good
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Tap on OK and now we can go back. OK, so let me check the speaker
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5-4, so it's OK and now if you go back, you will see the green information that it is
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working fine. So let me go back. OK, so let me switch it off this way
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And that would be all. This is how you can test your device, how you can use all the secret codes in your Xiaomi
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Redmi Note 9S. Thank you for watching. Please subscribe to our channel and leave the thumbs up
