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Here I have Xiaomi Mi5 and let me show you how to open the hardware test on the following device
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So, at the very beginning you have to use the phone's dialer, let me open the phone
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icon in that corner and now let me use the following secret code
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The star hash, star hash, 64663, hash star, hash star. As you may see the hardware test just pops up, here you can test some features from the
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following device. For example, you can use the speaker calibration test, you can choose pass or fail, you may
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check version info, if everything is alright let's choose pass, this is the sim detection
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let me choose pass or fail, here we have the results. For example, you may test also the vibration, the short vibration and the long one, let
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me choose pass, the microphone receiver, the simulation call test, the front microphone
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speaker and other stuff. As you can see here we've got the results, you can also choose more key in that corner
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and open the additional tools. Here you can perform some ready tests such as get logs, NFC test, Bluetooth test, WiFi
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test and modem test. Let's go back a couple of times just to close this mode and when you exit all rated text
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data will be erased so the result of the following test will be clear, let me tap OK and now
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you may go back and start using your device. So everything went well, thank you for watching, please subscribe our channel and leave thumbs
