How to Enter Hardware Test Mode in XIAOMI Redmi Note 9s - Secret Codes and Hidden Options

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Here I've got Xiaomi Redmi Note 9S and let me show you how to activate and use test mode
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on the following device. So if you'd like to activate test mode, you have to enter a secret code
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So let's first just open the phone dialer, go to keypad and now enter the code which
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is asterisk pound, asterisk pound, 64663, pound asterisk, pound asterisk
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And as you can see right here, you've got the test mode. So here you've got all the features which you can test
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For example, you can check the software version, you can perform SIM test, SD card test, key
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test, motor test, LED panel test, touch panel test, color test, receiver, speaker and so on
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And let me show you some of them, for example color. Just click on color and now click screen to continue
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And as you can see, red is working properly. Marine as well
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Blue is also more than fine. And it's okay, so you can mark okay
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Now if you'll go back, just let me go back to the previous screen
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Okay, so I will just make a receiver test. Okay, so it should be 25, not 24
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But as you can see here, you've got the answer. So color passed, receiver passed
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Let me check speaker. So it's definitely 18. And tap on okay
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Let's play some music. So it's also working good. Click on okay and let's go back
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And here you've got the results. So just pick the feature that you would like to test and then be provided with details
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So finally, the last option would be key test. So all you have to do is to tap on volume up button, volume down button and also power key
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As you can see, they passed the test. Tap on okay. Now we can go back
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And here is another green pass info. So this is it. This is how you can test your device
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Enjoy and check if you have any issues with your features. Thank you for watching
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How to Enter Hardware Test Mode in XIAOMI Redmi Note 9s - Secret Codes and Hidden Options

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How to Enter Hardware Test Mode in XIAOMI Redmi Note 9s - Secret Codes and Hidden Options

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