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Here I have Xiaomi Mi5 and let me show you how to use secret codes on the following device
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So at the very beginning let me unlock the screen. Let's open the phone's dialer by using a phone icon in that corner
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And then you have to input all secret codes that you know. So let me start by opening the testing menu
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Let's input the following code. Star hash. Star hash. Four six
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Three six. Hash star. Hash star. As you can see the testing menu just pops up on the screen
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Here you can choose the phone information. Let me choose the first one for example
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And now you may read all important stuff about your device. Such as email number, phone number, current network, pink IP, address network and some
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other stuff. Let me go back. You may also choose the battery info when you have all important statistics and information
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about your battery. Such as battery scale, battery plug, battery health and the battery temperature
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Let me go back. You may also check the usage statistics and here you've got all stats about your device
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and about the applications from your device. You can read such things as last time used or usage time
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Let me go back. Let's choose WiFi information. Here you've got WiFi IP
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When you can disable network, disconnect network, enable network, get configured networks or
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get connection info. Let's go back to previous page and let's tap WiFi config
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And if you have some configured networks here you will have a full specification of them
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You can read such things for example as client IP and some other stuff
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Let me go back. And let's choose WiFi status. And here you've got all stats about your WiFi
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You can refresh them or run a ping test. Let me go back a couple of times just to quit the testing menu
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And now let me open the hardware test. It's the special menu of the Xiaomi
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So let's input the star hash. Star hash. 64663 hash star hash star
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As you can see the hardware test just pops up. Here you can test a couple of things for example the speaker calibration right here
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You can check version info. The SIM test
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And as you can see here you've got the results of the following test. You may also choose the more key and choose additional tools
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Here you've got some prepared tests such as NFC test, Bluetooth test, WiFi test and some
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other stuff. Let's go back. Let me just go back to additional tools
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Let's go back and you may also test such things as for example the call, the vibration, the
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proximity, the buttons, notification light, display, light sensor and other stuff. Let's go back and let me quit this test mode
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And then let's open the fonts dialer again. Now let me show you how to check the calendar info
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Let's use star hash. Star hash. 225 hash star hash star. As you can see the calendar information just pops up on the screen
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You may read such things as contacts, holidays in Poland and some other stuff
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Let me go back and let me now choose and open the Google Play services mode
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Let me use the following code. Star hash. Star hash. 426 hash star hash star
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And as you may notice the Google Play services just pops up in front of you
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Here you can choose events and status. You can select ping, connect and disconnect
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Let's go back. And now let me open the debug UI. So let's use star hash
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Star hash. 759 hash star hash star. And as you may notice right here this is the debug UI menu
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You may change here the OEM mode. You may also choose and view clients IDs and do some other stuff
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Let's go back to the fonts dialer. And at the end let me show you how to check the email number on the following device
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So let's use the star hash. 06 hash. And the email number on the following phone just pops up in front of you
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