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Here I've got Xiaomi Mi 9T Pro and let me show you all the secret codes for the following device
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So at the very beginning you have to open the phone dialer, go to keypad and it's time
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to enter the first code, the shortest one which is asterisk pound or six pound
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And as you can see this one will provide you with both email numbers dedicated to your device and also with its serial number
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Click on OK to go back and now it's time for the second code which is asterisk pound
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asterisk pound, four six, three six, pound asterisk, pound asterisk. And now you're in testing mode prepared by Google so here you can check phone information
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where you will locate email number, phone number, current network, signal strength
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voice service, data service and all the other truly useful information. You can also run a ping test here, simply click on run ping test and that's it
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As you can see here it is. Let me go back. Then you can check the information for the second SIM card and also you can access Wi-Fi
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information where you can locate Wi-Fi APA. And here you will find disable network, disconnect network, enable network, configure networks
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and also the whole connection info. Then in a Wi-Fi configuration you will be able to locate all configured networks and
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then in a Wi-Fi status simply refresh it. You will be able to check the status of your Wi-Fi and also here you can run a ping test
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So let's go back and it's time for the third code which is asterisk pound, asterisk pound
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four two six, pound asterisk, pound asterisk. And here we are in diagnostic mode where you can check events and status and if you'll
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click on the more icon you will be able to open advanced view with some more information
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Let's go back. And now we will enter another code which is asterisk pound, asterisk pound, double two
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five, pound asterisk, pound asterisk. And now here you will be able to locate all the events from your calendar, from your Google
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calendar, all the celebrations, important data. So from now on you will not forget about any important event that was signed in your device
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And finally the last code, most useful I guess, and it's asterisk pound, asterisk pound, six
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four, double six, three, pound asterisk, pound asterisk. And now we are in testing mode where you can check your device, where you can check all
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its features. So if you have any issues with your device then you can check if it's application to
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blame or your device by using this mode. So for example let's test receiver
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So it passed the test and then you can come along with all the other tests. So that would be all
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This is how you can test your device, how you can access all the secret codes and your
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Xiaomi Mi 9T Pro. Thank you for watching. Please subscribe our channel and leave the thumbs up
