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Here I have Xiaomi Mi5 and let me show you how to use secret codes on the following phone
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So at the very beginning let's swipe up to unlock the device
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Afterwards let's use the phone icon right here. And then you have to input a secret code
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So let's input the following code at first, star, hash, star, hash, 4, 6, 3, 6, hash
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star, hash, star. As you can see testing menu just appears on the screen
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You can read from the following menu for example phone information, you've got two phone information
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each one for each email number. You can read the whole specification from the following text
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You can also turn on the radio or for example run a ping test
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Let's go back, you can also check battery information right here. Here you have such important stuff as battery level, battery scale, battery health or battery temperature
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Let's go back, you can also choose usage statistics and here you have list of applications on
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your device and you can read last time used or for example usage time
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Let's go back, you can also select WiFi information and here you've got such things as WiFi API
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where you can disable network, disconnect network, enable network, get configured networks
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or get connection info. Let's go back, let me choose WiFi status
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Here you have the status of your WiFi, you can refresh all stats or run a ping test
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And I also forgot about WiFi config, when you have configured networks on your device
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you can read all specifications on your WiFi. Let's go back and let me show you another secret code
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So let me go back to the phone's dialer and let me show you how to check hardware test
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on your device. So let's input star, hash, star, hash, 4, 6, 4, 6, 4, sorry, 6, 6, 3, hash, star, hash, star
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Excellent, as you can see hardware test just appears on the screen
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You can test some of your features on your device, for example vibration, let's choose
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short vibration or long vibration and you can choose pass or fail, in my case I've passed
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You can also go for the next test, for example, simultaneous call test, let's pass or fail
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front microphone speaker and some other features. Let's go back, let me go back to the phone's dialer and now let me show you how to check
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calendar info, so let's input star, hash, star, hash, 2, 2, 5, hash, star, hash, star
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And as you can see calendar information just appears on the screen, you can read some specifications
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about your calendar. Let's go back and let me show you another secret code, so let's use Google Play services
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code, let's input star, hash, star, hash, 4, 2, 6, hash, star, hash, star and as you
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can see Google Play services menu just appears on the screen, you can read some important
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stuff from the following menu. Now let me show you another way of checking important features on your device, let me
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go back to the phone's dialer and let's input the following code, star, hash, star, hash
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7, 5, 9, hash, star, hash, star and debug UI just appears on the screen, you can for
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example view client's IDs right here and close it. Excellent, let's go back to the previous page, to the phone's dialer and now let me show
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you the most popular smartphone code which is star, hash, 0, 6, hash and in that way
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you can read the email number of your device. Thank you for watching, please subscribe our channel and leave thumbs up under the video
