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Here I have Xiaomi Note 3 and let me show you how to use secret codes on the following device
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So at the very beginning let's start by using a home screen. Then let's choose the fonts dialer right here
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Let's activate a keypad and let's use the following secret codes. For example let's start by using a testing menu
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So let's input star hash, star hash, 46, 36, hash star, hash star
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As you can see testing menu just pops up. Here you can choose phone information for example just by tapping appropriate option
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and read such things as email number, phone number, current network, signal strength
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voice service and other stuff. You may also run a ping test or choose more key in order to view SIM address book, view
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fixed dialing number, view service dialing number, get PDP list or enable data connection
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Let's go back and from the following menu you can choose battery info as well and read
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such things as battery status, power plug, battery scale, battery health, battery temperature
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or for example the battery technology. Let's go back and choose usage statistics
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Here you can read such things as the last time use or usage time of your applications
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Let's go back. You may also choose the VLAN information. Here you've got the WiFi API when you can disable network, disconnect network, enable
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network, get configured networks or get connection info. You can go back and choose the VLAN config and here you've got all configured networks
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and you can read the full specification about them. So let's go back again and let me select the VLAN status
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Here you can read the statistics about your WiFi. You can refresh your stats or run a ping test
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Let's go back a couple of times. Let me just close the testing menu and right now let's open the hardware test
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So let's use the following combination of the symbols. Let's use star hash, star hash, 64663, hash star, hash star
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As you can see hardware test just pops up. Here you can also navigate by tapping appropriate options and you can test here a couple of
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features from your device. So you can make sure that everything works just fine
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For example you can check version info. Here you've got all information
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Let's choose pass or fail. You can check your SIM cards. You may also choose the vibration and test the short vibration and long vibration choose
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pass or fail and other stuff as well. For example you can test here the proximity sensor, buttons, touch sensor, display, headphones
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and other stuff. You can also choose more key and choose additional tools
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And here you've got for example bluetooth test tool and other stuff as well
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Let's go back by using your back arrow. Let me just quit the hardware test, tap ok
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And this time let's open the calendar information. So let's use star hash, star hash, 225, hash star, hash star
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And the calendar info just pops up. You can read such things from your calendar right here
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Let's go back. This time let me show you how to open the Google Play services mode
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Let's use star hash, star hash, 426, hash star, hash star. As you can see Google Play services just pops up
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Here you can select ping, connect, disconnect or events. Let's go back
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And also let me show you how to open debug UI. So let's use star hash, star hash, 759, hash star, hash star
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And the debug UI just pops up. You can also check the email number by using a secret code
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So let's use star hash, 06 hash and the email number just pops up
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So that's it. Thank you for watching. Please subscribe our channel and leave thumbs up under the video
