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Hi everyone, here we've got Xiaomi Redmi 9 and let me show you all secret codes which
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will work on this device. So first of all let's open the dialer, let's tap on the keypad and let me show you the
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first code. It is the shortest one. It's asterisk pound, zero six pound
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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 click on OK and let me show you another code
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It is asterisk pound, asterisk pound, four six three six pound, asterisk pound, asterisk
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And here we are in the testing mode. We can check some phone info and WiFi info
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So let me pick for example the first option and as you can see here we can check the email
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the current network, data service or data network type. I know that now it is empty but no worries if you've got your SIM inserted then you will
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be able to check all those info. What's more we can run ping test right here
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Simply tap on it and as you can see here we've got the results. Let's tap on more and here we can for example enable data connection or view service dialing numbers
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Let me get back and let's check the WiFi info for example
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Let's check the status, refresh it and as you can see here we can check for example
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network state, SSID or network ID. Of course we can run ping test right here also and here we've got the results
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Let me get back and let me show you another code. It's asterisk pound, asterisk pound, double two five pound, asterisk pound, asterisk
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And as you can see we are in a calendar info so we've got all events in one place
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Here we check some family events, some holidays in your country or events attached to your
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mail so you won't forget about any anniversaries. Let me get back and let me show you another code
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It is provided by Google. It's asterisk pound, asterisk pound, four two six pound, asterisk pound, asterisk
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And as you can see we are in a diagnostic mode. We've got all, we can check events and status
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What's more we can show advanced view. Just tap on the three that I can tap on it and here we've got much more info so we can
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check for example the last connected network type and its ID. Now let me get back and let me show you the last code
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It's asterisk pound, asterisk pound, six four double six three pound, asterisk pound, asterisk
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And as you can see we are in a testing mode also but here we can check all the components
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of your device. So if you think that you meet some problems then you can check version info, sim card
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keyboard test, vibration test, display or light sensor, rear camera. Basically whatever you want because we've got 35 options to choose from
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So let me show you for example how to check the display. Let's tap on it and now as you can see here we've got the instructions so we have to confirm
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that the colors are consistently displayed across the whole screen. So let's touch the screen to begin the test and as I said if you can see the red color
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all across your screen and your display without any missing spot then it is working fine
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Let's check another color, the green is working fine also, blue also
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And as you can see the screen test is completed so if your device passed it then mark it as
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pass if not fail it. But it passed. Let me get back because we automatically go to the receiver test and as you can see it
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is marked here that the display has been passed successfully. So actually that's all
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This is how to use secret codes in your Xiaomi Redmi 9. Thank you so much for watching and if you find that this video was helpful please hit
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the subscribe button and leave the thumbs up
